Home / 12,336,723.36-18,507,067.92-4,247,710.20

Finding the Fourth Proportional to 12,336,723.36, 18,507,067.92 and 4,247,710.20

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Solution

The fourth proportional to 12,336,723.36, 18,507,067.92 and 4,247,710.20 is: 6,372,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,723.36 : 18,507,067.92 = 4,247,710.20 : x
  2. Step 2: Convert to fraction form
    12,336,723.36/18,507,067.92 = 4,247,710.20/x
  3. Step 3: Cross multiply
    12,336,723.36x = 18,507,067.92 × 4,247,710.20
  4. Step 4: Simplify right side
    12,336,723.36x = 78,612,661,175,876.80
  5. Step 5: Solve for x
    x = 78,612,661,175,876.80/12,336,723.36
  6. Step 6: Final answer
    x = 6,372,248.03

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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.