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Finding the Fourth Proportional to 9,804,803.90, 14,702,481.87 and 3,414,914.78

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Solution

The fourth proportional to 9,804,803.90, 14,702,481.87 and 3,414,914.78 is: 5,120,726.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,804,803.90 : 14,702,481.87 = 3,414,914.78 : x
  2. Step 2: Convert to fraction form
    9,804,803.90/14,702,481.87 = 3,414,914.78/x
  3. Step 3: Cross multiply
    9,804,803.90x = 14,702,481.87 × 3,414,914.78
  4. Step 4: Simplify right side
    9,804,803.90x = 50,207,722,640,545.03
  5. Step 5: Solve for x
    x = 50,207,722,640,545.03/9,804,803.90
  6. Step 6: Final answer
    x = 5,120,726.86

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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.