Home / 10,248,082.20-15,372,123.30-7,378,300.80

Finding the Fourth Proportional to 10,248,082.20, 15,372,123.30 and 7,378,300.80

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Solution

The fourth proportional to 10,248,082.20, 15,372,123.30 and 7,378,300.80 is: 11,067,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248,082.20 : 15,372,123.30 = 7,378,300.80 : x
  2. Step 2: Convert to fraction form
    10,248,082.20/15,372,123.30 = 7,378,300.80/x
  3. Step 3: Cross multiply
    10,248,082.20x = 15,372,123.30 × 7,378,300.80
  4. Step 4: Simplify right side
    10,248,082.20x = 113,420,149,642,088.64
  5. Step 5: Solve for x
    x = 113,420,149,642,088.64/10,248,082.20
  6. Step 6: Final answer
    x = 11,067,451.20

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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.