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Finding the Fourth Proportional to 18,441,604.60, 27,662,406.90 and 11,267,151.10

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Solution

The fourth proportional to 18,441,604.60, 27,662,406.90 and 11,267,151.10 is: 16,900,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,604.60 : 27,662,406.90 = 11,267,151.10 : x
  2. Step 2: Convert to fraction form
    18,441,604.60/27,662,406.90 = 11,267,151.10/x
  3. Step 3: Cross multiply
    18,441,604.60x = 27,662,406.90 × 11,267,151.10
  4. Step 4: Simplify right side
    18,441,604.60x = 311,676,518,331,982.56
  5. Step 5: Solve for x
    x = 311,676,518,331,982.56/18,441,604.60
  6. Step 6: Final answer
    x = 16,900,726.65

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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.