Home / 8,178,917.85-12,268,376.91-2,499,092.96

Finding the Fourth Proportional to 8,178,917.85, 12,268,376.91 and 2,499,092.96

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Solution

The fourth proportional to 8,178,917.85, 12,268,376.91 and 2,499,092.96 is: 3,748,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,917.85 : 12,268,376.91 = 2,499,092.96 : x
  2. Step 2: Convert to fraction form
    8,178,917.85/12,268,376.91 = 2,499,092.96/x
  3. Step 3: Cross multiply
    8,178,917.85x = 12,268,376.91 × 2,499,092.96
  4. Step 4: Simplify right side
    8,178,917.85x = 30,659,814,305,065.67
  5. Step 5: Solve for x
    x = 30,659,814,305,065.67/8,178,917.85
  6. Step 6: Final answer
    x = 3,748,639.47

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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.