Home / 6,815,906.68-9,405,983.10-3,760,120.12

Finding the Fourth Proportional to 6,815,906.68, 9,405,983.10 and 3,760,120.12

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Solution

The fourth proportional to 6,815,906.68, 9,405,983.10 and 3,760,120.12 is: 5,188,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,906.68 : 9,405,983.10 = 3,760,120.12 : x
  2. Step 2: Convert to fraction form
    6,815,906.68/9,405,983.10 = 3,760,120.12/x
  3. Step 3: Cross multiply
    6,815,906.68x = 9,405,983.10 × 3,760,120.12
  4. Step 4: Simplify right side
    6,815,906.68x = 35,367,626,302,689.97
  5. Step 5: Solve for x
    x = 35,367,626,302,689.97/6,815,906.68
  6. Step 6: Final answer
    x = 5,188,983.35

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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.