Home / 8,363,183.82-12,543,279.24-5,321,514.48

Finding the Fourth Proportional to 8,363,183.82, 12,543,279.24 and 5,321,514.48

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Solution

The fourth proportional to 8,363,183.82, 12,543,279.24 and 5,321,514.48 is: 7,981,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363,183.82 : 12,543,279.24 = 5,321,514.48 : x
  2. Step 2: Convert to fraction form
    8,363,183.82/12,543,279.24 = 5,321,514.48/x
  3. Step 3: Cross multiply
    8,363,183.82x = 12,543,279.24 × 5,321,514.48
  4. Step 4: Simplify right side
    8,363,183.82x = 66,749,242,102,343.40
  5. Step 5: Solve for x
    x = 66,749,242,102,343.40/8,363,183.82
  6. Step 6: Final answer
    x = 7,981,319.50

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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.