Home / 6,650,912.20-9,979,305.90-3,237,305.80

Finding the Fourth Proportional to 6,650,912.20, 9,979,305.90 and 3,237,305.80

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Solution

The fourth proportional to 6,650,912.20, 9,979,305.90 and 3,237,305.80 is: 4,857,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,912.20 : 9,979,305.90 = 3,237,305.80 : x
  2. Step 2: Convert to fraction form
    6,650,912.20/9,979,305.90 = 3,237,305.80/x
  3. Step 3: Cross multiply
    6,650,912.20x = 9,979,305.90 × 3,237,305.80
  4. Step 4: Simplify right side
    6,650,912.20x = 32,306,064,870,044.22
  5. Step 5: Solve for x
    x = 32,306,064,870,044.22/6,650,912.20
  6. Step 6: Final answer
    x = 4,857,388.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.