Home / 18,227,780.40-27,352,168.20-6,876,375.60

Finding the Fourth Proportional to 18,227,780.40, 27,352,168.20 and 6,876,375.60

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Solution

The fourth proportional to 18,227,780.40, 27,352,168.20 and 6,876,375.60 is: 10,318,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227,780.40 : 27,352,168.20 = 6,876,375.60 : x
  2. Step 2: Convert to fraction form
    18,227,780.40/27,352,168.20 = 6,876,375.60/x
  3. Step 3: Cross multiply
    18,227,780.40x = 27,352,168.20 × 6,876,375.60
  4. Step 4: Simplify right side
    18,227,780.40x = 188,083,782,017,575.91
  5. Step 5: Solve for x
    x = 188,083,782,017,575.91/18,227,780.40
  6. Step 6: Final answer
    x = 10,318,523.59

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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.