Home / 20,102,227.44-30,156,728.04-9,315,152.88

Finding the Fourth Proportional to 20,102,227.44, 30,156,728.04 and 9,315,152.88

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Solution

The fourth proportional to 20,102,227.44, 30,156,728.04 and 9,315,152.88 is: 13,974,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,227.44 : 30,156,728.04 = 9,315,152.88 : x
  2. Step 2: Convert to fraction form
    20,102,227.44/30,156,728.04 = 9,315,152.88/x
  3. Step 3: Cross multiply
    20,102,227.44x = 30,156,728.04 × 9,315,152.88
  4. Step 4: Simplify right side
    20,102,227.44x = 280,914,532,053,182.78
  5. Step 5: Solve for x
    x = 280,914,532,053,182.78/20,102,227.44
  6. Step 6: Final answer
    x = 13,974,298.76

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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.