Home / 7,211,181.11-9,951,982.61-4,113,772.65

Finding the Fourth Proportional to 7,211,181.11, 9,951,982.61 and 4,113,772.65

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Solution

The fourth proportional to 7,211,181.11, 9,951,982.61 and 4,113,772.65 is: 5,677,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,181.11 : 9,951,982.61 = 4,113,772.65 : x
  2. Step 2: Convert to fraction form
    7,211,181.11/9,951,982.61 = 4,113,772.65/x
  3. Step 3: Cross multiply
    7,211,181.11x = 9,951,982.61 × 4,113,772.65
  4. Step 4: Simplify right side
    7,211,181.11x = 40,940,193,853,724.76
  5. Step 5: Solve for x
    x = 40,940,193,853,724.76/7,211,181.11
  6. Step 6: Final answer
    x = 5,677,321.55

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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.