Home / 12,442,736-17,170,976.40-6,719,600

Finding the Fourth Proportional to 12,442,736, 17,170,976.40 and 6,719,600

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Solution

The fourth proportional to 12,442,736, 17,170,976.40 and 6,719,600 is: 9,273,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,736 : 17,170,976.40 = 6,719,600 : x
  2. Step 2: Convert to fraction form
    12,442,736/17,170,976.40 = 6,719,600/x
  3. Step 3: Cross multiply
    12,442,736x = 17,170,976.40 × 6,719,600
  4. Step 4: Simplify right side
    12,442,736x = 115,382,093,017,439.98
  5. Step 5: Solve for x
    x = 115,382,093,017,439.98/12,442,736
  6. Step 6: Final answer
    x = 9,273,048.39

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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.