Home / 8,177,115.20-12,265,672.80-2,791,846.40

Finding the Fourth Proportional to 8,177,115.20, 12,265,672.80 and 2,791,846.40

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Solution

The fourth proportional to 8,177,115.20, 12,265,672.80 and 2,791,846.40 is: 4,187,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177,115.20 : 12,265,672.80 = 2,791,846.40 : x
  2. Step 2: Convert to fraction form
    8,177,115.20/12,265,672.80 = 2,791,846.40/x
  3. Step 3: Cross multiply
    8,177,115.20x = 12,265,672.80 × 2,791,846.40
  4. Step 4: Simplify right side
    8,177,115.20x = 34,243,874,450,257.92
  5. Step 5: Solve for x
    x = 34,243,874,450,257.92/8,177,115.20
  6. Step 6: Final answer
    x = 4,187,769.60

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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.