Home / 12,491,437.20-18,744,154.20-5,301,747.60

Finding the Fourth Proportional to 12,491,437.20, 18,744,154.20 and 5,301,747.60

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Solution

The fourth proportional to 12,491,437.20, 18,744,154.20 and 5,301,747.60 is: 7,955,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,437.20 : 18,744,154.20 = 5,301,747.60 : x
  2. Step 2: Convert to fraction form
    12,491,437.20/18,744,154.20 = 5,301,747.60/x
  3. Step 3: Cross multiply
    12,491,437.20x = 18,744,154.20 × 5,301,747.60
  4. Step 4: Simplify right side
    12,491,437.20x = 99,376,774,543,879.91
  5. Step 5: Solve for x
    x = 99,376,774,543,879.91/12,491,437.20
  6. Step 6: Final answer
    x = 7,955,591.73

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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.