Home / 13,948,836.30-20,914,695.99-5,419,215.54

Finding the Fourth Proportional to 13,948,836.30, 20,914,695.99 and 5,419,215.54

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Solution

The fourth proportional to 13,948,836.30, 20,914,695.99 and 5,419,215.54 is: 8,125,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948,836.30 : 20,914,695.99 = 5,419,215.54 : x
  2. Step 2: Convert to fraction form
    13,948,836.30/20,914,695.99 = 5,419,215.54/x
  3. Step 3: Cross multiply
    13,948,836.30x = 20,914,695.99 × 5,419,215.54
  4. Step 4: Simplify right side
    13,948,836.30x = 113,341,245,523,383.67
  5. Step 5: Solve for x
    x = 113,341,245,523,383.67/13,948,836.30
  6. Step 6: Final answer
    x = 8,125,498.29

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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.