Home / 17,680,910.70-26,521,366.05-6,321,729.90

Finding the Fourth Proportional to 17,680,910.70, 26,521,366.05 and 6,321,729.90

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Solution

The fourth proportional to 17,680,910.70, 26,521,366.05 and 6,321,729.90 is: 9,482,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,910.70 : 26,521,366.05 = 6,321,729.90 : x
  2. Step 2: Convert to fraction form
    17,680,910.70/26,521,366.05 = 6,321,729.90/x
  3. Step 3: Cross multiply
    17,680,910.70x = 26,521,366.05 × 6,321,729.90
  4. Step 4: Simplify right side
    17,680,910.70x = 167,660,912,747,129.91
  5. Step 5: Solve for x
    x = 167,660,912,747,129.91/17,680,910.70
  6. Step 6: Final answer
    x = 9,482,594.85

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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.