Home / 18,121,540.30-27,182,310.45-7,344,004.30

Finding the Fourth Proportional to 18,121,540.30, 27,182,310.45 and 7,344,004.30

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Solution

The fourth proportional to 18,121,540.30, 27,182,310.45 and 7,344,004.30 is: 11,016,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,540.30 : 27,182,310.45 = 7,344,004.30 : x
  2. Step 2: Convert to fraction form
    18,121,540.30/27,182,310.45 = 7,344,004.30/x
  3. Step 3: Cross multiply
    18,121,540.30x = 27,182,310.45 × 7,344,004.30
  4. Step 4: Simplify right side
    18,121,540.30x = 199,627,004,828,734.94
  5. Step 5: Solve for x
    x = 199,627,004,828,734.94/18,121,540.30
  6. Step 6: Final answer
    x = 11,016,006.45

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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.