Home / 10,231,673.80-15,359,952.30-7,687,366.60

Finding the Fourth Proportional to 10,231,673.80, 15,359,952.30 and 7,687,366.60

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Solution

The fourth proportional to 10,231,673.80, 15,359,952.30 and 7,687,366.60 is: 11,540,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231,673.80 : 15,359,952.30 = 7,687,366.60 : x
  2. Step 2: Convert to fraction form
    10,231,673.80/15,359,952.30 = 7,687,366.60/x
  3. Step 3: Cross multiply
    10,231,673.80x = 15,359,952.30 × 7,687,366.60
  4. Step 4: Simplify right side
    10,231,673.80x = 118,077,584,288,613.19
  5. Step 5: Solve for x
    x = 118,077,584,288,613.19/10,231,673.80
  6. Step 6: Final answer
    x = 11,540,397.65

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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.