Home / 8,517,830.40-12,786,076.80-4,738,694.40

Finding the Fourth Proportional to 8,517,830.40, 12,786,076.80 and 4,738,694.40

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Solution

The fourth proportional to 8,517,830.40, 12,786,076.80 and 4,738,694.40 is: 7,113,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,830.40 : 12,786,076.80 = 4,738,694.40 : x
  2. Step 2: Convert to fraction form
    8,517,830.40/12,786,076.80 = 4,738,694.40/x
  3. Step 3: Cross multiply
    8,517,830.40x = 12,786,076.80 × 4,738,694.40
  4. Step 4: Simplify right side
    8,517,830.40x = 60,589,310,530,129.93
  5. Step 5: Solve for x
    x = 60,589,310,530,129.93/8,517,830.40
  6. Step 6: Final answer
    x = 7,113,232.79

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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.