Home / 8,898,330.92-12,279,793.38-5,227,402.20

Finding the Fourth Proportional to 8,898,330.92, 12,279,793.38 and 5,227,402.20

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Solution

The fourth proportional to 8,898,330.92, 12,279,793.38 and 5,227,402.20 is: 7,213,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,330.92 : 12,279,793.38 = 5,227,402.20 : x
  2. Step 2: Convert to fraction form
    8,898,330.92/12,279,793.38 = 5,227,402.20/x
  3. Step 3: Cross multiply
    8,898,330.92x = 12,279,793.38 × 5,227,402.20
  4. Step 4: Simplify right side
    8,898,330.92x = 64,191,418,930,157.45
  5. Step 5: Solve for x
    x = 64,191,418,930,157.45/8,898,330.92
  6. Step 6: Final answer
    x = 7,213,871.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.