Home / 13,924,487.44-20,891,007.96-6,647,233.60

Finding the Fourth Proportional to 13,924,487.44, 20,891,007.96 and 6,647,233.60

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Solution

The fourth proportional to 13,924,487.44, 20,891,007.96 and 6,647,233.60 is: 9,972,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924,487.44 : 20,891,007.96 = 6,647,233.60 : x
  2. Step 2: Convert to fraction form
    13,924,487.44/20,891,007.96 = 6,647,233.60/x
  3. Step 3: Cross multiply
    13,924,487.44x = 20,891,007.96 × 6,647,233.60
  4. Step 4: Simplify right side
    13,924,487.44x = 138,867,410,049,579.45
  5. Step 5: Solve for x
    x = 138,867,410,049,579.45/13,924,487.44
  6. Step 6: Final answer
    x = 9,972,892.05

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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.