Home / 12,251,270.30-18,376,905.45-10,338,082.70

Finding the Fourth Proportional to 12,251,270.30, 18,376,905.45 and 10,338,082.70

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Solution

The fourth proportional to 12,251,270.30, 18,376,905.45 and 10,338,082.70 is: 15,507,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,270.30 : 18,376,905.45 = 10,338,082.70 : x
  2. Step 2: Convert to fraction form
    12,251,270.30/18,376,905.45 = 10,338,082.70/x
  3. Step 3: Cross multiply
    12,251,270.30x = 18,376,905.45 × 10,338,082.70
  4. Step 4: Simplify right side
    12,251,270.30x = 189,981,968,312,180.69
  5. Step 5: Solve for x
    x = 189,981,968,312,180.69/12,251,270.30
  6. Step 6: Final answer
    x = 15,507,124.05

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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.