Home / 9,976,961.92-13,768,227.52-5,393,283.28

Finding the Fourth Proportional to 9,976,961.92, 13,768,227.52 and 5,393,283.28

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Solution

The fourth proportional to 9,976,961.92, 13,768,227.52 and 5,393,283.28 is: 7,442,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976,961.92 : 13,768,227.52 = 5,393,283.28 : x
  2. Step 2: Convert to fraction form
    9,976,961.92/13,768,227.52 = 5,393,283.28/x
  3. Step 3: Cross multiply
    9,976,961.92x = 13,768,227.52 × 5,393,283.28
  4. Step 4: Simplify right side
    9,976,961.92x = 74,255,951,278,851.86
  5. Step 5: Solve for x
    x = 74,255,951,278,851.86/9,976,961.92
  6. Step 6: Final answer
    x = 7,442,741.78

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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.