Home / 12,067,997.70-18,101,996.55-6,966,164.10

Finding the Fourth Proportional to 12,067,997.70, 18,101,996.55 and 6,966,164.10

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Solution

The fourth proportional to 12,067,997.70, 18,101,996.55 and 6,966,164.10 is: 10,449,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,997.70 : 18,101,996.55 = 6,966,164.10 : x
  2. Step 2: Convert to fraction form
    12,067,997.70/18,101,996.55 = 6,966,164.10/x
  3. Step 3: Cross multiply
    12,067,997.70x = 18,101,996.55 × 6,966,164.10
  4. Step 4: Simplify right side
    12,067,997.70x = 126,101,478,504,933.86
  5. Step 5: Solve for x
    x = 126,101,478,504,933.86/12,067,997.70
  6. Step 6: Final answer
    x = 10,449,246.15

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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.