Home / 12,859,888.69-17,761,375.24-8,469,241.54

Finding the Fourth Proportional to 12,859,888.69, 17,761,375.24 and 8,469,241.54

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Solution

The fourth proportional to 12,859,888.69, 17,761,375.24 and 8,469,241.54 is: 11,697,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,888.69 : 17,761,375.24 = 8,469,241.54 : x
  2. Step 2: Convert to fraction form
    12,859,888.69/17,761,375.24 = 8,469,241.54/x
  3. Step 3: Cross multiply
    12,859,888.69x = 17,761,375.24 × 8,469,241.54
  4. Step 4: Simplify right side
    12,859,888.69x = 150,425,376,924,558.94
  5. Step 5: Solve for x
    x = 150,425,376,924,558.94/12,859,888.69
  6. Step 6: Final answer
    x = 11,697,253.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.