Home / 12,660,076.28-17,469,872.42-7,432,533.92

Finding the Fourth Proportional to 12,660,076.28, 17,469,872.42 and 7,432,533.92

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Solution

The fourth proportional to 12,660,076.28, 17,469,872.42 and 7,432,533.92 is: 10,256,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,076.28 : 17,469,872.42 = 7,432,533.92 : x
  2. Step 2: Convert to fraction form
    12,660,076.28/17,469,872.42 = 7,432,533.92/x
  3. Step 3: Cross multiply
    12,660,076.28x = 17,469,872.42 × 7,432,533.92
  4. Step 4: Simplify right side
    12,660,076.28x = 129,845,419,339,722.50
  5. Step 5: Solve for x
    x = 129,845,419,339,722.50/12,660,076.28
  6. Step 6: Final answer
    x = 10,256,290.44

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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.