Home / 28,591,732.68-39,456,895.84-15,538,992.28

Finding the Fourth Proportional to 28,591,732.68, 39,456,895.84 and 15,538,992.28

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Solution

The fourth proportional to 28,591,732.68, 39,456,895.84 and 15,538,992.28 is: 21,443,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591,732.68 : 39,456,895.84 = 15,538,992.28 : x
  2. Step 2: Convert to fraction form
    28,591,732.68/39,456,895.84 = 15,538,992.28/x
  3. Step 3: Cross multiply
    28,591,732.68x = 39,456,895.84 × 15,538,992.28
  4. Step 4: Simplify right side
    28,591,732.68x = 613,120,399,850,524.12
  5. Step 5: Solve for x
    x = 613,120,399,850,524.12/28,591,732.68
  6. Step 6: Final answer
    x = 21,443,974.97

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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.