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Finding the Fourth Proportional to 16,606,699.80, 24,910,049.70 and 12,071,736.60

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Solution

The fourth proportional to 16,606,699.80, 24,910,049.70 and 12,071,736.60 is: 18,107,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,606,699.80 : 24,910,049.70 = 12,071,736.60 : x
  2. Step 2: Convert to fraction form
    16,606,699.80/24,910,049.70 = 12,071,736.60/x
  3. Step 3: Cross multiply
    16,606,699.80x = 24,910,049.70 × 12,071,736.60
  4. Step 4: Simplify right side
    16,606,699.80x = 300,707,558,671,309
  5. Step 5: Solve for x
    x = 300,707,558,671,309/16,606,699.80
  6. Step 6: Final answer
    x = 18,107,604.90

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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.