Home / 28,541,451.27-39,387,227.88-15,488,709.91

Finding the Fourth Proportional to 28,541,451.27, 39,387,227.88 and 15,488,709.91

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Solution

The fourth proportional to 28,541,451.27, 39,387,227.88 and 15,488,709.91 is: 21,374,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,451.27 : 39,387,227.88 = 15,488,709.91 : x
  2. Step 2: Convert to fraction form
    28,541,451.27/39,387,227.88 = 15,488,709.91/x
  3. Step 3: Cross multiply
    28,541,451.27x = 39,387,227.88 × 15,488,709.91
  4. Step 4: Simplify right side
    28,541,451.27x = 610,057,346,792,384.38
  5. Step 5: Solve for x
    x = 610,057,346,792,384.38/28,541,451.27
  6. Step 6: Final answer
    x = 21,374,433.31

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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.