Home / 20,162,074.20-30,239,612.10-7,375,997.40

Finding the Fourth Proportional to 20,162,074.20, 30,239,612.10 and 7,375,997.40

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Solution

The fourth proportional to 20,162,074.20, 30,239,612.10 and 7,375,997.40 is: 11,062,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,074.20 : 30,239,612.10 = 7,375,997.40 : x
  2. Step 2: Convert to fraction form
    20,162,074.20/30,239,612.10 = 7,375,997.40/x
  3. Step 3: Cross multiply
    20,162,074.20x = 30,239,612.10 × 7,375,997.40
  4. Step 4: Simplify right side
    20,162,074.20x = 223,047,300,226,608.56
  5. Step 5: Solve for x
    x = 223,047,300,226,608.56/20,162,074.20
  6. Step 6: Final answer
    x = 11,062,715.97

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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.