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Finding the Fourth Proportional to 16,489,401.80, 24,734,102.70 and 12,397,306.10

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Solution

The fourth proportional to 16,489,401.80, 24,734,102.70 and 12,397,306.10 is: 18,595,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489,401.80 : 24,734,102.70 = 12,397,306.10 : x
  2. Step 2: Convert to fraction form
    16,489,401.80/24,734,102.70 = 12,397,306.10/x
  3. Step 3: Cross multiply
    16,489,401.80x = 24,734,102.70 × 12,397,306.10
  4. Step 4: Simplify right side
    16,489,401.80x = 306,636,242,280,736.44
  5. Step 5: Solve for x
    x = 306,636,242,280,736.44/16,489,401.80
  6. Step 6: Final answer
    x = 18,595,959.15

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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.