Home / 18,086,543.40-27,129,815.10-17,960,572.20

Finding the Fourth Proportional to 18,086,543.40, 27,129,815.10 and 17,960,572.20

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Solution

The fourth proportional to 18,086,543.40, 27,129,815.10 and 17,960,572.20 is: 26,940,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,543.40 : 27,129,815.10 = 17,960,572.20 : x
  2. Step 2: Convert to fraction form
    18,086,543.40/27,129,815.10 = 17,960,572.20/x
  3. Step 3: Cross multiply
    18,086,543.40x = 27,129,815.10 × 17,960,572.20
  4. Step 4: Simplify right side
    18,086,543.40x = 487,267,002,876,200.25
  5. Step 5: Solve for x
    x = 487,267,002,876,200.25/18,086,543.40
  6. Step 6: Final answer
    x = 26,940,858.30

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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.