Home / 12,659,429.31-17,469,915.89-6,858,169.56

Finding the Fourth Proportional to 12,659,429.31, 17,469,915.89 and 6,858,169.56

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Solution

The fourth proportional to 12,659,429.31, 17,469,915.89 and 6,858,169.56 is: 9,464,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,429.31 : 17,469,915.89 = 6,858,169.56 : x
  2. Step 2: Convert to fraction form
    12,659,429.31/17,469,915.89 = 6,858,169.56/x
  3. Step 3: Cross multiply
    12,659,429.31x = 17,469,915.89 × 6,858,169.56
  4. Step 4: Simplify right side
    12,659,429.31x = 119,811,645,338,267.47
  5. Step 5: Solve for x
    x = 119,811,645,338,267.47/12,659,429.31
  6. Step 6: Final answer
    x = 9,464,221.68

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1.5x scale

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.