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Finding the Fourth Proportional to 18,059,471.70, 27,098,064.09 and 8,475,629.46

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Solution

The fourth proportional to 18,059,471.70, 27,098,064.09 and 8,475,629.46 is: 12,717,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059,471.70 : 27,098,064.09 = 8,475,629.46 : x
  2. Step 2: Convert to fraction form
    18,059,471.70/27,098,064.09 = 8,475,629.46/x
  3. Step 3: Cross multiply
    18,059,471.70x = 27,098,064.09 × 8,475,629.46
  4. Step 4: Simplify right side
    18,059,471.70x = 229,673,150,310,172.12
  5. Step 5: Solve for x
    x = 229,673,150,310,172.12/18,059,471.70
  6. Step 6: Final answer
    x = 12,717,600.72

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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.