Home / 12,131,732,098.80-18,197,598,148.20-10,172,627,996.40

Finding the Fourth Proportional to 12,131,732,098.80, 18,197,598,148.20 and 10,172,627,996.40

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Solution

The fourth proportional to 12,131,732,098.80, 18,197,598,148.20 and 10,172,627,996.40 is: 15,258,941,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,732,098.80 : 18,197,598,148.20 = 10,172,627,996.40 : x
  2. Step 2: Convert to fraction form
    12,131,732,098.80/18,197,598,148.20 = 10,172,627,996.40/x
  3. Step 3: Cross multiply
    12,131,732,098.80x = 18,197,598,148.20 × 10,172,627,996.40
  4. Step 4: Simplify right side
    12,131,732,098.80x = 185,117,396,389,616,123,904
  5. Step 5: Solve for x
    x = 185,117,396,389,616,123,904/12,131,732,098.80
  6. Step 6: Final answer
    x = 15,258,941,994.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.