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Finding the Fourth Proportional to 16,489,600.80, 24,734,401.20 and 12,397,505.10

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Solution

The fourth proportional to 16,489,600.80, 24,734,401.20 and 12,397,505.10 is: 18,596,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489,600.80 : 24,734,401.20 = 12,397,505.10 : x
  2. Step 2: Convert to fraction form
    16,489,600.80/24,734,401.20 = 12,397,505.10/x
  3. Step 3: Cross multiply
    16,489,600.80x = 24,734,401.20 × 12,397,505.10
  4. Step 4: Simplify right side
    16,489,600.80x = 306,644,865,022,446.12
  5. Step 5: Solve for x
    x = 306,644,865,022,446.12/16,489,600.80
  6. Step 6: Final answer
    x = 18,596,257.65

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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.