Home / 40,500,766.28-55,891,205.66-21,915,906.60

Finding the Fourth Proportional to 40,500,766.28, 55,891,205.66 and 21,915,906.60

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Solution

The fourth proportional to 40,500,766.28, 55,891,205.66 and 21,915,906.60 is: 30,244,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,766.28 : 55,891,205.66 = 21,915,906.60 : x
  2. Step 2: Convert to fraction form
    40,500,766.28/55,891,205.66 = 21,915,906.60/x
  3. Step 3: Cross multiply
    40,500,766.28x = 55,891,205.66 × 21,915,906.60
  4. Step 4: Simplify right side
    40,500,766.28x = 1,224,906,443,229,645.75
  5. Step 5: Solve for x
    x = 1,224,906,443,229,645.75/40,500,766.28
  6. Step 6: Final answer
    x = 30,244,031.31

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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.