Home / 12,067,218.20-18,100,827.30-6,965,384.60

Finding the Fourth Proportional to 12,067,218.20, 18,100,827.30 and 6,965,384.60

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Solution

The fourth proportional to 12,067,218.20, 18,100,827.30 and 6,965,384.60 is: 10,448,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,218.20 : 18,100,827.30 = 6,965,384.60 : x
  2. Step 2: Convert to fraction form
    12,067,218.20/18,100,827.30 = 6,965,384.60/x
  3. Step 3: Cross multiply
    12,067,218.20x = 18,100,827.30 × 6,965,384.60
  4. Step 4: Simplify right side
    12,067,218.20x = 126,079,223,722,679.58
  5. Step 5: Solve for x
    x = 126,079,223,722,679.58/12,067,218.20
  6. Step 6: Final answer
    x = 10,448,076.90

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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.