Home / 20,156,993.60-27,815,452.64-11,453,958.32

Finding the Fourth Proportional to 20,156,993.60, 27,815,452.64 and 11,453,958.32

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Solution

The fourth proportional to 20,156,993.60, 27,815,452.64 and 11,453,958.32 is: 15,805,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,993.60 : 27,815,452.64 = 11,453,958.32 : x
  2. Step 2: Convert to fraction form
    20,156,993.60/27,815,452.64 = 11,453,958.32/x
  3. Step 3: Cross multiply
    20,156,993.60x = 27,815,452.64 × 11,453,958.32
  4. Step 4: Simplify right side
    20,156,993.60x = 318,597,035,190,494
  5. Step 5: Solve for x
    x = 318,597,035,190,494/20,156,993.60
  6. Step 6: Final answer
    x = 15,805,781.43

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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.