Home / 20,229,818.40-30,344,727.60-8,101,153.80

Finding the Fourth Proportional to 20,229,818.40, 30,344,727.60 and 8,101,153.80

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Solution

The fourth proportional to 20,229,818.40, 30,344,727.60 and 8,101,153.80 is: 12,151,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,818.40 : 30,344,727.60 = 8,101,153.80 : x
  2. Step 2: Convert to fraction form
    20,229,818.40/30,344,727.60 = 8,101,153.80/x
  3. Step 3: Cross multiply
    20,229,818.40x = 30,344,727.60 × 8,101,153.80
  4. Step 4: Simplify right side
    20,229,818.40x = 245,827,305,306,704.88
  5. Step 5: Solve for x
    x = 245,827,305,306,704.88/20,229,818.40
  6. Step 6: Final answer
    x = 12,151,730.70

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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.