Home / 17,237,761.20-25,856,641.80-12,135,927.60

Finding the Fourth Proportional to 17,237,761.20, 25,856,641.80 and 12,135,927.60

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Solution

The fourth proportional to 17,237,761.20, 25,856,641.80 and 12,135,927.60 is: 18,203,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,237,761.20 : 25,856,641.80 = 12,135,927.60 : x
  2. Step 2: Convert to fraction form
    17,237,761.20/25,856,641.80 = 12,135,927.60/x
  3. Step 3: Cross multiply
    17,237,761.20x = 25,856,641.80 × 12,135,927.60
  4. Step 4: Simplify right side
    17,237,761.20x = 313,794,332,863,933.69
  5. Step 5: Solve for x
    x = 313,794,332,863,933.69/17,237,761.20
  6. Step 6: Final answer
    x = 18,203,891.40

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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.