Home / 12,067,668.30-18,096,691.05-3,978,392.70

Finding the Fourth Proportional to 12,067,668.30, 18,096,691.05 and 3,978,392.70

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Solution

The fourth proportional to 12,067,668.30, 18,096,691.05 and 3,978,392.70 is: 5,966,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,668.30 : 18,096,691.05 = 3,978,392.70 : x
  2. Step 2: Convert to fraction form
    12,067,668.30/18,096,691.05 = 3,978,392.70/x
  3. Step 3: Cross multiply
    12,067,668.30x = 18,096,691.05 × 3,978,392.70
  4. Step 4: Simplify right side
    12,067,668.30x = 71,995,743,567,475.34
  5. Step 5: Solve for x
    x = 71,995,743,567,475.34/12,067,668.30
  6. Step 6: Final answer
    x = 5,966,002.86

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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.