Home / 12,687,358.24-19,030,872.30-3,102,819.76

Finding the Fourth Proportional to 12,687,358.24, 19,030,872.30 and 3,102,819.76

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Solution

The fourth proportional to 12,687,358.24, 19,030,872.30 and 3,102,819.76 is: 4,654,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,358.24 : 19,030,872.30 = 3,102,819.76 : x
  2. Step 2: Convert to fraction form
    12,687,358.24/19,030,872.30 = 3,102,819.76/x
  3. Step 3: Cross multiply
    12,687,358.24x = 19,030,872.30 × 3,102,819.76
  4. Step 4: Simplify right side
    12,687,358.24x = 59,049,366,622,476.65
  5. Step 5: Solve for x
    x = 59,049,366,622,476.65/12,687,358.24
  6. Step 6: Final answer
    x = 4,654,189.27

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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.