Home / 47,414,439.32-65,442,452.45-28,825,629.57

Finding the Fourth Proportional to 47,414,439.32, 65,442,452.45 and 28,825,629.57

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Solution

The fourth proportional to 47,414,439.32, 65,442,452.45 and 28,825,629.57 is: 39,785,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,414,439.32 : 65,442,452.45 = 28,825,629.57 : x
  2. Step 2: Convert to fraction form
    47,414,439.32/65,442,452.45 = 28,825,629.57/x
  3. Step 3: Cross multiply
    47,414,439.32x = 65,442,452.45 × 28,825,629.57
  4. Step 4: Simplify right side
    47,414,439.32x = 1,886,419,892,331,910.75
  5. Step 5: Solve for x
    x = 1,886,419,892,331,910.75/47,414,439.32
  6. Step 6: Final answer
    x = 39,785,768.21

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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.