Home / 11,228,781.20-16,819,552.20-9,339,213.20

Finding the Fourth Proportional to 11,228,781.20, 16,819,552.20 and 9,339,213.20

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Solution

The fourth proportional to 11,228,781.20, 16,819,552.20 and 9,339,213.20 is: 13,989,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228,781.20 : 16,819,552.20 = 9,339,213.20 : x
  2. Step 2: Convert to fraction form
    11,228,781.20/16,819,552.20 = 9,339,213.20/x
  3. Step 3: Cross multiply
    11,228,781.20x = 16,819,552.20 × 9,339,213.20
  4. Step 4: Simplify right side
    11,228,781.20x = 157,081,383,924,329.03
  5. Step 5: Solve for x
    x = 157,081,383,924,329.03/11,228,781.20
  6. Step 6: Final answer
    x = 13,989,174.88

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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.