Home / 28,471,293.92-39,290,180.25-15,418,250.03

Finding the Fourth Proportional to 28,471,293.92, 39,290,180.25 and 15,418,250.03

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Solution

The fourth proportional to 28,471,293.92, 39,290,180.25 and 15,418,250.03 is: 21,277,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,293.92 : 39,290,180.25 = 15,418,250.03 : x
  2. Step 2: Convert to fraction form
    28,471,293.92/39,290,180.25 = 15,418,250.03/x
  3. Step 3: Cross multiply
    28,471,293.92x = 39,290,180.25 × 15,418,250.03
  4. Step 4: Simplify right side
    28,471,293.92x = 605,785,822,916,493.38
  5. Step 5: Solve for x
    x = 605,785,822,916,493.38/28,471,293.92
  6. Step 6: Final answer
    x = 21,277,073.83

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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.