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Finding the Fourth Proportional to 18,088,708.60, 27,133,062.90 and 10,914,255.10

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Solution

The fourth proportional to 18,088,708.60, 27,133,062.90 and 10,914,255.10 is: 16,371,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088,708.60 : 27,133,062.90 = 10,914,255.10 : x
  2. Step 2: Convert to fraction form
    18,088,708.60/27,133,062.90 = 10,914,255.10/x
  3. Step 3: Cross multiply
    18,088,708.60x = 27,133,062.90 × 10,914,255.10
  4. Step 4: Simplify right side
    18,088,708.60x = 296,137,170,134,945.75
  5. Step 5: Solve for x
    x = 296,137,170,134,945.75/18,088,708.60
  6. Step 6: Final answer
    x = 16,371,382.65

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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.