Home / 12,067,216.20-18,100,824.30-6,965,382.60

Finding the Fourth Proportional to 12,067,216.20, 18,100,824.30 and 6,965,382.60

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Solution

The fourth proportional to 12,067,216.20, 18,100,824.30 and 6,965,382.60 is: 10,448,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,216.20 : 18,100,824.30 = 6,965,382.60 : x
  2. Step 2: Convert to fraction form
    12,067,216.20/18,100,824.30 = 6,965,382.60/x
  3. Step 3: Cross multiply
    12,067,216.20x = 18,100,824.30 × 6,965,382.60
  4. Step 4: Simplify right side
    12,067,216.20x = 126,079,166,624,877.17
  5. Step 5: Solve for x
    x = 126,079,166,624,877.17/12,067,216.20
  6. Step 6: Final answer
    x = 10,448,073.90

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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.