Home / 20,229,862.70-30,344,794.05-20,088,145.10

Finding the Fourth Proportional to 20,229,862.70, 30,344,794.05 and 20,088,145.10

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Solution

The fourth proportional to 20,229,862.70, 30,344,794.05 and 20,088,145.10 is: 30,132,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,862.70 : 30,344,794.05 = 20,088,145.10 : x
  2. Step 2: Convert to fraction form
    20,229,862.70/30,344,794.05 = 20,088,145.10/x
  3. Step 3: Cross multiply
    20,229,862.70x = 30,344,794.05 × 20,088,145.10
  4. Step 4: Simplify right side
    20,229,862.70x = 609,570,625,906,016.75
  5. Step 5: Solve for x
    x = 609,570,625,906,016.75/20,229,862.70
  6. Step 6: Final answer
    x = 30,132,217.65

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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.