Home / 8,077,789.60-12,101,938.80-4,922,231.20

Finding the Fourth Proportional to 8,077,789.60, 12,101,938.80 and 4,922,231.20

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Solution

The fourth proportional to 8,077,789.60, 12,101,938.80 and 4,922,231.20 is: 7,374,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,789.60 : 12,101,938.80 = 4,922,231.20 : x
  2. Step 2: Convert to fraction form
    8,077,789.60/12,101,938.80 = 4,922,231.20/x
  3. Step 3: Cross multiply
    8,077,789.60x = 12,101,938.80 × 4,922,231.20
  4. Step 4: Simplify right side
    8,077,789.60x = 59,568,540,741,850.56
  5. Step 5: Solve for x
    x = 59,568,540,741,850.56/8,077,789.60
  6. Step 6: Final answer
    x = 7,374,361.51

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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.