Home / 11,987,843.70-17,967,003.30-8,149,658.70

Finding the Fourth Proportional to 11,987,843.70, 17,967,003.30 and 8,149,658.70

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Solution

The fourth proportional to 11,987,843.70, 17,967,003.30 and 8,149,658.70 is: 12,214,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987,843.70 : 17,967,003.30 = 8,149,658.70 : x
  2. Step 2: Convert to fraction form
    11,987,843.70/17,967,003.30 = 8,149,658.70/x
  3. Step 3: Cross multiply
    11,987,843.70x = 17,967,003.30 × 8,149,658.70
  4. Step 4: Simplify right side
    11,987,843.70x = 146,424,944,756,773.72
  5. Step 5: Solve for x
    x = 146,424,944,756,773.72/11,987,843.70
  6. Step 6: Final answer
    x = 12,214,452.28

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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.