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Finding the Fourth Proportional to 18,395,595.20, 27,569,773.20 and 14,114,542.70

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Solution

The fourth proportional to 18,395,595.20, 27,569,773.20 and 14,114,542.70 is: 21,153,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395,595.20 : 27,569,773.20 = 14,114,542.70 : x
  2. Step 2: Convert to fraction form
    18,395,595.20/27,569,773.20 = 14,114,542.70/x
  3. Step 3: Cross multiply
    18,395,595.20x = 27,569,773.20 × 14,114,542.70
  4. Step 4: Simplify right side
    18,395,595.20x = 389,134,741,060,715.62
  5. Step 5: Solve for x
    x = 389,134,741,060,715.62/18,395,595.20
  6. Step 6: Final answer
    x = 21,153,691.24

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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.