Home / 8,131,619.85-11,219,753.52-4,867,194.30

Finding the Fourth Proportional to 8,131,619.85, 11,219,753.52 and 4,867,194.30

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Solution

The fourth proportional to 8,131,619.85, 11,219,753.52 and 4,867,194.30 is: 6,715,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,619.85 : 11,219,753.52 = 4,867,194.30 : x
  2. Step 2: Convert to fraction form
    8,131,619.85/11,219,753.52 = 4,867,194.30/x
  3. Step 3: Cross multiply
    8,131,619.85x = 11,219,753.52 × 4,867,194.30
  4. Step 4: Simplify right side
    8,131,619.85x = 54,608,720,379,948.93
  5. Step 5: Solve for x
    x = 54,608,720,379,948.93/8,131,619.85
  6. Step 6: Final answer
    x = 6,715,601.74

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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.