Home / 18,121,540.80-27,182,311.20-7,344,004.80

Finding the Fourth Proportional to 18,121,540.80, 27,182,311.20 and 7,344,004.80

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Solution

The fourth proportional to 18,121,540.80, 27,182,311.20 and 7,344,004.80 is: 11,016,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,540.80 : 27,182,311.20 = 7,344,004.80 : x
  2. Step 2: Convert to fraction form
    18,121,540.80/27,182,311.20 = 7,344,004.80/x
  3. Step 3: Cross multiply
    18,121,540.80x = 27,182,311.20 × 7,344,004.80
  4. Step 4: Simplify right side
    18,121,540.80x = 199,627,023,927,893.75
  5. Step 5: Solve for x
    x = 199,627,023,927,893.75/18,121,540.80
  6. Step 6: Final answer
    x = 11,016,007.20

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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.