Home / 12,859,888.70-17,761,375.19-8,469,241.53

Finding the Fourth Proportional to 12,859,888.70, 17,761,375.19 and 8,469,241.53

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Solution

The fourth proportional to 12,859,888.70, 17,761,375.19 and 8,469,241.53 is: 11,697,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,888.70 : 17,761,375.19 = 8,469,241.53 : x
  2. Step 2: Convert to fraction form
    12,859,888.70/17,761,375.19 = 8,469,241.53/x
  3. Step 3: Cross multiply
    12,859,888.70x = 17,761,375.19 × 8,469,241.53
  4. Step 4: Simplify right side
    12,859,888.70x = 150,425,376,410,232.72
  5. Step 5: Solve for x
    x = 150,425,376,410,232.72/12,859,888.70
  6. Step 6: Final answer
    x = 11,697,253.37

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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.