Home / 9,791,996.40-14,687,994.60-9,128,444.40

Finding the Fourth Proportional to 9,791,996.40, 14,687,994.60 and 9,128,444.40

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Solution

The fourth proportional to 9,791,996.40, 14,687,994.60 and 9,128,444.40 is: 13,692,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791,996.40 : 14,687,994.60 = 9,128,444.40 : x
  2. Step 2: Convert to fraction form
    9,791,996.40/14,687,994.60 = 9,128,444.40/x
  3. Step 3: Cross multiply
    9,791,996.40x = 14,687,994.60 × 9,128,444.40
  4. Step 4: Simplify right side
    9,791,996.40x = 134,078,542,053,600.23
  5. Step 5: Solve for x
    x = 134,078,542,053,600.23/9,791,996.40
  6. Step 6: Final answer
    x = 13,692,666.60

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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.