Home / 22,704,069.06-31,327,489.96-13,413,151.78

Finding the Fourth Proportional to 22,704,069.06, 31,327,489.96 and 13,413,151.78

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Solution

The fourth proportional to 22,704,069.06, 31,327,489.96 and 13,413,151.78 is: 18,507,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704,069.06 : 31,327,489.96 = 13,413,151.78 : x
  2. Step 2: Convert to fraction form
    22,704,069.06/31,327,489.96 = 13,413,151.78/x
  3. Step 3: Cross multiply
    22,704,069.06x = 31,327,489.96 × 13,413,151.78
  4. Step 4: Simplify right side
    22,704,069.06x = 420,200,377,719,906.12
  5. Step 5: Solve for x
    x = 420,200,377,719,906.12/22,704,069.06
  6. Step 6: Final answer
    x = 18,507,712.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.