Home / 6,678,965.53-9,216,990.18-3,623,179.78

Finding the Fourth Proportional to 6,678,965.53, 9,216,990.18 and 3,623,179.78

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Solution

The fourth proportional to 6,678,965.53, 9,216,990.18 and 3,623,179.78 is: 4,999,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678,965.53 : 9,216,990.18 = 3,623,179.78 : x
  2. Step 2: Convert to fraction form
    6,678,965.53/9,216,990.18 = 3,623,179.78/x
  3. Step 3: Cross multiply
    6,678,965.53x = 9,216,990.18 × 3,623,179.78
  4. Step 4: Simplify right side
    6,678,965.53x = 33,394,812,452,634.56
  5. Step 5: Solve for x
    x = 33,394,812,452,634.56/6,678,965.53
  6. Step 6: Final answer
    x = 4,999,997.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.