Home / 29,120,116.70-43,680,175.05-9,947,999.90

Finding the Fourth Proportional to 29,120,116.70, 43,680,175.05 and 9,947,999.90

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Solution

The fourth proportional to 29,120,116.70, 43,680,175.05 and 9,947,999.90 is: 14,921,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120,116.70 : 43,680,175.05 = 9,947,999.90 : x
  2. Step 2: Convert to fraction form
    29,120,116.70/43,680,175.05 = 9,947,999.90/x
  3. Step 3: Cross multiply
    29,120,116.70x = 43,680,175.05 × 9,947,999.90
  4. Step 4: Simplify right side
    29,120,116.70x = 434,530,377,029,382.50
  5. Step 5: Solve for x
    x = 434,530,377,029,382.50/29,120,116.70
  6. Step 6: Final answer
    x = 14,921,999.85

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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.