Home / 5,173,400.73-7,138,951.42-3,107,188.56

Finding the Fourth Proportional to 5,173,400.73, 7,138,951.42 and 3,107,188.56

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Solution

The fourth proportional to 5,173,400.73, 7,138,951.42 and 3,107,188.56 is: 4,287,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,400.73 : 7,138,951.42 = 3,107,188.56 : x
  2. Step 2: Convert to fraction form
    5,173,400.73/7,138,951.42 = 3,107,188.56/x
  3. Step 3: Cross multiply
    5,173,400.73x = 7,138,951.42 × 3,107,188.56
  4. Step 4: Simplify right side
    5,173,400.73x = 22,182,068,182,619.75
  5. Step 5: Solve for x
    x = 22,182,068,182,619.75/5,173,400.73
  6. Step 6: Final answer
    x = 4,287,715.05

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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.