Home / 29,120,114.70-43,680,172.05-9,947,997.90

Finding the Fourth Proportional to 29,120,114.70, 43,680,172.05 and 9,947,997.90

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Solution

The fourth proportional to 29,120,114.70, 43,680,172.05 and 9,947,997.90 is: 14,921,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120,114.70 : 43,680,172.05 = 9,947,997.90 : x
  2. Step 2: Convert to fraction form
    29,120,114.70/43,680,172.05 = 9,947,997.90/x
  3. Step 3: Cross multiply
    29,120,114.70x = 43,680,172.05 × 9,947,997.90
  4. Step 4: Simplify right side
    29,120,114.70x = 434,530,259,825,038.69
  5. Step 5: Solve for x
    x = 434,530,259,825,038.69/29,120,114.70
  6. Step 6: Final answer
    x = 14,921,996.85

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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.