Home / 8,129,608.24-12,183,781.86-3,331,680.16

Finding the Fourth Proportional to 8,129,608.24, 12,183,781.86 and 3,331,680.16

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Solution

The fourth proportional to 8,129,608.24, 12,183,781.86 and 3,331,680.16 is: 4,993,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,608.24 : 12,183,781.86 = 3,331,680.16 : x
  2. Step 2: Convert to fraction form
    8,129,608.24/12,183,781.86 = 3,331,680.16/x
  3. Step 3: Cross multiply
    8,129,608.24x = 12,183,781.86 × 3,331,680.16
  4. Step 4: Simplify right side
    8,129,608.24x = 40,592,464,296,729.90
  5. Step 5: Solve for x
    x = 40,592,464,296,729.90/8,129,608.24
  6. Step 6: Final answer
    x = 4,993,163.64

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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.