Home / 21,581,489.70-32,372,234.55-16,542,641.70

Finding the Fourth Proportional to 21,581,489.70, 32,372,234.55 and 16,542,641.70

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Solution

The fourth proportional to 21,581,489.70, 32,372,234.55 and 16,542,641.70 is: 24,813,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,489.70 : 32,372,234.55 = 16,542,641.70 : x
  2. Step 2: Convert to fraction form
    21,581,489.70/32,372,234.55 = 16,542,641.70/x
  3. Step 3: Cross multiply
    21,581,489.70x = 32,372,234.55 × 16,542,641.70
  4. Step 4: Simplify right side
    21,581,489.70x = 535,522,277,189,010.75
  5. Step 5: Solve for x
    x = 535,522,277,189,010.75/21,581,489.70
  6. Step 6: Final answer
    x = 24,813,962.55

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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.