Home / 12,856,367.50-17,741,920.99-7,055,524.96

Finding the Fourth Proportional to 12,856,367.50, 17,741,920.99 and 7,055,524.96

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Solution

The fourth proportional to 12,856,367.50, 17,741,920.99 and 7,055,524.96 is: 9,736,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,367.50 : 17,741,920.99 = 7,055,524.96 : x
  2. Step 2: Convert to fraction form
    12,856,367.50/17,741,920.99 = 7,055,524.96/x
  3. Step 3: Cross multiply
    12,856,367.50x = 17,741,920.99 × 7,055,524.96
  4. Step 4: Simplify right side
    12,856,367.50x = 125,178,566,383,292.89
  5. Step 5: Solve for x
    x = 125,178,566,383,292.89/12,856,367.50
  6. Step 6: Final answer
    x = 9,736,697.90

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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.