Home / 10,561,190.20-15,813,791.70-8,321,702.20

Finding the Fourth Proportional to 10,561,190.20, 15,813,791.70 and 8,321,702.20

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Solution

The fourth proportional to 10,561,190.20, 15,813,791.70 and 8,321,702.20 is: 12,460,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,190.20 : 15,813,791.70 = 8,321,702.20 : x
  2. Step 2: Convert to fraction form
    10,561,190.20/15,813,791.70 = 8,321,702.20/x
  3. Step 3: Cross multiply
    10,561,190.20x = 15,813,791.70 × 8,321,702.20
  4. Step 4: Simplify right side
    10,561,190.20x = 131,597,665,180,231.73
  5. Step 5: Solve for x
    x = 131,597,665,180,231.73/10,561,190.20
  6. Step 6: Final answer
    x = 12,460,495.71

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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.