Home / 18,320,631.40-27,486,265.85-7,385,177.55

Finding the Fourth Proportional to 18,320,631.40, 27,486,265.85 and 7,385,177.55

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Solution

The fourth proportional to 18,320,631.40, 27,486,265.85 and 7,385,177.55 is: 11,079,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320,631.40 : 27,486,265.85 = 7,385,177.55 : x
  2. Step 2: Convert to fraction form
    18,320,631.40/27,486,265.85 = 7,385,177.55/x
  3. Step 3: Cross multiply
    18,320,631.40x = 27,486,265.85 × 7,385,177.55
  4. Step 4: Simplify right side
    18,320,631.40x = 202,990,953,488,751.69
  5. Step 5: Solve for x
    x = 202,990,953,488,751.69/18,320,631.40
  6. Step 6: Final answer
    x = 11,079,910.35

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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.