Home / 12,511,042.80-18,766,564.20-4,423,954.20

Finding the Fourth Proportional to 12,511,042.80, 18,766,564.20 and 4,423,954.20

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Solution

The fourth proportional to 12,511,042.80, 18,766,564.20 and 4,423,954.20 is: 6,635,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,042.80 : 18,766,564.20 = 4,423,954.20 : x
  2. Step 2: Convert to fraction form
    12,511,042.80/18,766,564.20 = 4,423,954.20/x
  3. Step 3: Cross multiply
    12,511,042.80x = 18,766,564.20 × 4,423,954.20
  4. Step 4: Simplify right side
    12,511,042.80x = 83,022,420,512,159.64
  5. Step 5: Solve for x
    x = 83,022,420,512,159.64/12,511,042.80
  6. Step 6: Final answer
    x = 6,635,931.30

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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.