Home / 21,581,217.20-32,371,825.80-16,542,369.20

Finding the Fourth Proportional to 21,581,217.20, 32,371,825.80 and 16,542,369.20

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Solution

The fourth proportional to 21,581,217.20, 32,371,825.80 and 16,542,369.20 is: 24,813,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,217.20 : 32,371,825.80 = 16,542,369.20 : x
  2. Step 2: Convert to fraction form
    21,581,217.20/32,371,825.80 = 16,542,369.20/x
  3. Step 3: Cross multiply
    21,581,217.20x = 32,371,825.80 × 16,542,369.20
  4. Step 4: Simplify right side
    21,581,217.20x = 535,506,694,061,685.38
  5. Step 5: Solve for x
    x = 535,506,694,061,685.38/21,581,217.20
  6. Step 6: Final answer
    x = 24,813,553.80

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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.