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Finding the Fourth Proportional to 16,606,711.80, 24,910,067.70 and 12,071,748.60

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Solution

The fourth proportional to 16,606,711.80, 24,910,067.70 and 12,071,748.60 is: 18,107,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,606,711.80 : 24,910,067.70 = 12,071,748.60 : x
  2. Step 2: Convert to fraction form
    16,606,711.80/24,910,067.70 = 12,071,748.60/x
  3. Step 3: Cross multiply
    16,606,711.80x = 24,910,067.70 × 12,071,748.60
  4. Step 4: Simplify right side
    16,606,711.80x = 300,708,074,883,380.19
  5. Step 5: Solve for x
    x = 300,708,074,883,380.19/16,606,711.80
  6. Step 6: Final answer
    x = 18,107,622.90

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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.