Home / 8,211,419.28-11,331,524.16-4,540,272.48

Finding the Fourth Proportional to 8,211,419.28, 11,331,524.16 and 4,540,272.48

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Solution

The fourth proportional to 8,211,419.28, 11,331,524.16 and 4,540,272.48 is: 6,265,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,419.28 : 11,331,524.16 = 4,540,272.48 : x
  2. Step 2: Convert to fraction form
    8,211,419.28/11,331,524.16 = 4,540,272.48/x
  3. Step 3: Cross multiply
    8,211,419.28x = 11,331,524.16 × 4,540,272.48
  4. Step 4: Simplify right side
    8,211,419.28x = 51,448,207,300,103.12
  5. Step 5: Solve for x
    x = 51,448,207,300,103.12/8,211,419.28
  6. Step 6: Final answer
    x = 6,265,446.39

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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.