Home / 7,786,650.75-11,682,471.28-5,452,121

Finding the Fourth Proportional to 7,786,650.75, 11,682,471.28 and 5,452,121

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Solution

The fourth proportional to 7,786,650.75, 11,682,471.28 and 5,452,121 is: 8,179,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786,650.75 : 11,682,471.28 = 5,452,121 : x
  2. Step 2: Convert to fraction form
    7,786,650.75/11,682,471.28 = 5,452,121/x
  3. Step 3: Cross multiply
    7,786,650.75x = 11,682,471.28 × 5,452,121
  4. Step 4: Simplify right side
    7,786,650.75x = 63,694,246,997,584.88
  5. Step 5: Solve for x
    x = 63,694,246,997,584.88/7,786,650.75
  6. Step 6: Final answer
    x = 8,179,928.58

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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.