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Finding the Fourth Proportional to 18,338,718.60, 27,508,077.90 and 16,354,672.20

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Solution

The fourth proportional to 18,338,718.60, 27,508,077.90 and 16,354,672.20 is: 24,532,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,718.60 : 27,508,077.90 = 16,354,672.20 : x
  2. Step 2: Convert to fraction form
    18,338,718.60/27,508,077.90 = 16,354,672.20/x
  3. Step 3: Cross multiply
    18,338,718.60x = 27,508,077.90 × 16,354,672.20
  4. Step 4: Simplify right side
    18,338,718.60x = 449,885,596,906,564.31
  5. Step 5: Solve for x
    x = 449,885,596,906,564.31/18,338,718.60
  6. Step 6: Final answer
    x = 24,532,008.30

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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.