Home / 20,229,856.20-30,344,784.30-17,891,515.80

Finding the Fourth Proportional to 20,229,856.20, 30,344,784.30 and 17,891,515.80

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Solution

The fourth proportional to 20,229,856.20, 30,344,784.30 and 17,891,515.80 is: 26,837,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,856.20 : 30,344,784.30 = 17,891,515.80 : x
  2. Step 2: Convert to fraction form
    20,229,856.20/30,344,784.30 = 17,891,515.80/x
  3. Step 3: Cross multiply
    20,229,856.20x = 30,344,784.30 × 17,891,515.80
  4. Step 4: Simplify right side
    20,229,856.20x = 542,914,187,751,042
  5. Step 5: Solve for x
    x = 542,914,187,751,042/20,229,856.20
  6. Step 6: Final answer
    x = 26,837,273.70

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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.