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Finding the Fourth Proportional to 18,914,591.06, 28,375,871.82 and 6,134,099.24

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Solution

The fourth proportional to 18,914,591.06, 28,375,871.82 and 6,134,099.24 is: 9,202,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914,591.06 : 28,375,871.82 = 6,134,099.24 : x
  2. Step 2: Convert to fraction form
    18,914,591.06/28,375,871.82 = 6,134,099.24/x
  3. Step 3: Cross multiply
    18,914,591.06x = 28,375,871.82 × 6,134,099.24
  4. Step 4: Simplify right side
    18,914,591.06x = 174,060,413,765,399.44
  5. Step 5: Solve for x
    x = 174,060,413,765,399.44/18,914,591.06
  6. Step 6: Final answer
    x = 9,202,441.29

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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.