Home / 30,752,151.52-42,438,854.82-17,002,001.38

Finding the Fourth Proportional to 30,752,151.52, 42,438,854.82 and 17,002,001.38

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Solution

The fourth proportional to 30,752,151.52, 42,438,854.82 and 17,002,001.38 is: 23,463,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,151.52 : 42,438,854.82 = 17,002,001.38 : x
  2. Step 2: Convert to fraction form
    30,752,151.52/42,438,854.82 = 17,002,001.38/x
  3. Step 3: Cross multiply
    30,752,151.52x = 42,438,854.82 × 17,002,001.38
  4. Step 4: Simplify right side
    30,752,151.52x = 721,545,468,215,259.62
  5. Step 5: Solve for x
    x = 721,545,468,215,259.62/30,752,151.52
  6. Step 6: Final answer
    x = 23,463,251.60

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1.5x scale

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.