Home / 10,631,998.20-15,947,997.30-6,369,972.60

Finding the Fourth Proportional to 10,631,998.20, 15,947,997.30 and 6,369,972.60

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Solution

The fourth proportional to 10,631,998.20, 15,947,997.30 and 6,369,972.60 is: 9,554,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,998.20 : 15,947,997.30 = 6,369,972.60 : x
  2. Step 2: Convert to fraction form
    10,631,998.20/15,947,997.30 = 6,369,972.60/x
  3. Step 3: Cross multiply
    10,631,998.20x = 15,947,997.30 × 6,369,972.60
  4. Step 4: Simplify right side
    10,631,998.20x = 101,588,305,825,873.98
  5. Step 5: Solve for x
    x = 101,588,305,825,873.98/10,631,998.20
  6. Step 6: Final answer
    x = 9,554,958.90

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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.