Home / 28,551,221.97-39,400,736.29-15,498,489.73

Finding the Fourth Proportional to 28,551,221.97, 39,400,736.29 and 15,498,489.73

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Solution

The fourth proportional to 28,551,221.97, 39,400,736.29 and 15,498,489.73 is: 21,387,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,221.97 : 39,400,736.29 = 15,498,489.73 : x
  2. Step 2: Convert to fraction form
    28,551,221.97/39,400,736.29 = 15,498,489.73/x
  3. Step 3: Cross multiply
    28,551,221.97x = 39,400,736.29 × 15,498,489.73
  4. Step 4: Simplify right side
    28,551,221.97x = 610,651,906,768,810.62
  5. Step 5: Solve for x
    x = 610,651,906,768,810.62/28,551,221.97
  6. Step 6: Final answer
    x = 21,387,942.95

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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.