Home / 20,098,190.31-30,147,472.01-5,721,257.58

Finding the Fourth Proportional to 20,098,190.31, 30,147,472.01 and 5,721,257.58

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Solution

The fourth proportional to 20,098,190.31, 30,147,472.01 and 5,721,257.58 is: 8,581,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098,190.31 : 30,147,472.01 = 5,721,257.58 : x
  2. Step 2: Convert to fraction form
    20,098,190.31/30,147,472.01 = 5,721,257.58/x
  3. Step 3: Cross multiply
    20,098,190.31x = 30,147,472.01 × 5,721,257.58
  4. Step 4: Simplify right side
    20,098,190.31x = 172,481,452,656,300.47
  5. Step 5: Solve for x
    x = 172,481,452,656,300.47/20,098,190.31
  6. Step 6: Final answer
    x = 8,581,939.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.