Home / 20,229,818.40-30,344,727.60-20,103,847.20

Finding the Fourth Proportional to 20,229,818.40, 30,344,727.60 and 20,103,847.20

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Solution

The fourth proportional to 20,229,818.40, 30,344,727.60 and 20,103,847.20 is: 30,155,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,818.40 : 30,344,727.60 = 20,103,847.20 : x
  2. Step 2: Convert to fraction form
    20,229,818.40/30,344,727.60 = 20,103,847.20/x
  3. Step 3: Cross multiply
    20,229,818.40x = 30,344,727.60 × 20,103,847.20
  4. Step 4: Simplify right side
    20,229,818.40x = 610,045,766,996,022.75
  5. Step 5: Solve for x
    x = 610,045,766,996,022.75/20,229,818.40
  6. Step 6: Final answer
    x = 30,155,770.80

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1.5x scale

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.