Home / 13,948,837.36-20,914,697.58-5,419,216.60

Finding the Fourth Proportional to 13,948,837.36, 20,914,697.58 and 5,419,216.60

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Solution

The fourth proportional to 13,948,837.36, 20,914,697.58 and 5,419,216.60 is: 8,125,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948,837.36 : 20,914,697.58 = 5,419,216.60 : x
  2. Step 2: Convert to fraction form
    13,948,837.36/20,914,697.58 = 5,419,216.60/x
  3. Step 3: Cross multiply
    13,948,837.36x = 20,914,697.58 × 5,419,216.60
  4. Step 4: Simplify right side
    13,948,837.36x = 113,341,276,382,124.62
  5. Step 5: Solve for x
    x = 113,341,276,382,124.62/13,948,837.36
  6. Step 6: Final answer
    x = 8,125,499.88

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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.