Home / 15,343,862.46-21,174,229.68-8,374,589.88

Finding the Fourth Proportional to 15,343,862.46, 21,174,229.68 and 8,374,589.88

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Solution

The fourth proportional to 15,343,862.46, 21,174,229.68 and 8,374,589.88 is: 11,556,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343,862.46 : 21,174,229.68 = 8,374,589.88 : x
  2. Step 2: Convert to fraction form
    15,343,862.46/21,174,229.68 = 8,374,589.88/x
  3. Step 3: Cross multiply
    15,343,862.46x = 21,174,229.68 × 8,374,589.88
  4. Step 4: Simplify right side
    15,343,862.46x = 177,325,489,594,923.62
  5. Step 5: Solve for x
    x = 177,325,489,594,923.62/15,343,862.46
  6. Step 6: Final answer
    x = 11,556,770.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.