Home / 18,132,332.40-27,198,498.60-7,344,080.10

Finding the Fourth Proportional to 18,132,332.40, 27,198,498.60 and 7,344,080.10

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Solution

The fourth proportional to 18,132,332.40, 27,198,498.60 and 7,344,080.10 is: 11,016,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,332.40 : 27,198,498.60 = 7,344,080.10 : x
  2. Step 2: Convert to fraction form
    18,132,332.40/27,198,498.60 = 7,344,080.10/x
  3. Step 3: Cross multiply
    18,132,332.40x = 27,198,498.60 × 7,344,080.10
  4. Step 4: Simplify right side
    18,132,332.40x = 199,747,952,318,137.88
  5. Step 5: Solve for x
    x = 199,747,952,318,137.88/18,132,332.40
  6. Step 6: Final answer
    x = 11,016,120.15

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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.