Home / 13,948,837.30-20,914,697.49-5,419,216.54

Finding the Fourth Proportional to 13,948,837.30, 20,914,697.49 and 5,419,216.54

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Solution

The fourth proportional to 13,948,837.30, 20,914,697.49 and 5,419,216.54 is: 8,125,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948,837.30 : 20,914,697.49 = 5,419,216.54 : x
  2. Step 2: Convert to fraction form
    13,948,837.30/20,914,697.49 = 5,419,216.54/x
  3. Step 3: Cross multiply
    13,948,837.30x = 20,914,697.49 × 5,419,216.54
  4. Step 4: Simplify right side
    13,948,837.30x = 113,341,274,566,904.47
  5. Step 5: Solve for x
    x = 113,341,274,566,904.47/13,948,837.30
  6. Step 6: Final answer
    x = 8,125,499.79

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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.