Home / 7,328,906.31-10,986,211.30-3,489,697.18

Finding the Fourth Proportional to 7,328,906.31, 10,986,211.30 and 3,489,697.18

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Solution

The fourth proportional to 7,328,906.31, 10,986,211.30 and 3,489,697.18 is: 5,231,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,906.31 : 10,986,211.30 = 3,489,697.18 : x
  2. Step 2: Convert to fraction form
    7,328,906.31/10,986,211.30 = 3,489,697.18/x
  3. Step 3: Cross multiply
    7,328,906.31x = 10,986,211.30 × 3,489,697.18
  4. Step 4: Simplify right side
    7,328,906.31x = 38,338,550,608,952.35
  5. Step 5: Solve for x
    x = 38,338,550,608,952.35/7,328,906.31
  6. Step 6: Final answer
    x = 5,231,142.13

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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.