Home / 11,987,841.70-17,967,000.30-8,149,656.70

Finding the Fourth Proportional to 11,987,841.70, 17,967,000.30 and 8,149,656.70

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Solution

The fourth proportional to 11,987,841.70, 17,967,000.30 and 8,149,656.70 is: 12,214,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987,841.70 : 17,967,000.30 = 8,149,656.70 : x
  2. Step 2: Convert to fraction form
    11,987,841.70/17,967,000.30 = 8,149,656.70/x
  3. Step 3: Cross multiply
    11,987,841.70x = 17,967,000.30 × 8,149,656.70
  4. Step 4: Simplify right side
    11,987,841.70x = 146,424,884,373,797.03
  5. Step 5: Solve for x
    x = 146,424,884,373,797.03/11,987,841.70
  6. Step 6: Final answer
    x = 12,214,449.28

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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.