Home / 28,591,724.70-39,456,884.79-15,538,984.29

Finding the Fourth Proportional to 28,591,724.70, 39,456,884.79 and 15,538,984.29

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Solution

The fourth proportional to 28,591,724.70, 39,456,884.79 and 15,538,984.29 is: 21,443,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591,724.70 : 39,456,884.79 = 15,538,984.29 : x
  2. Step 2: Convert to fraction form
    28,591,724.70/39,456,884.79 = 15,538,984.29/x
  3. Step 3: Cross multiply
    28,591,724.70x = 39,456,884.79 × 15,538,984.29
  4. Step 4: Simplify right side
    28,591,724.70x = 613,119,912,884,149.88
  5. Step 5: Solve for x
    x = 613,119,912,884,149.88/28,591,724.70
  6. Step 6: Final answer
    x = 21,443,963.92

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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.