Home / 8,105,181.64-12,157,770-3,055,311.16

Finding the Fourth Proportional to 8,105,181.64, 12,157,770 and 3,055,311.16

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Solution

The fourth proportional to 8,105,181.64, 12,157,770 and 3,055,311.16 is: 4,582,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105,181.64 : 12,157,770 = 3,055,311.16 : x
  2. Step 2: Convert to fraction form
    8,105,181.64/12,157,770 = 3,055,311.16/x
  3. Step 3: Cross multiply
    8,105,181.64x = 12,157,770 × 3,055,311.16
  4. Step 4: Simplify right side
    8,105,181.64x = 37,145,770,361,713.20
  5. Step 5: Solve for x
    x = 37,145,770,361,713.20/8,105,181.64
  6. Step 6: Final answer
    x = 4,582,965.81

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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.