Home / 8,177,815.20-12,266,722.80-2,792,546.40

Finding the Fourth Proportional to 8,177,815.20, 12,266,722.80 and 2,792,546.40

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Solution

The fourth proportional to 8,177,815.20, 12,266,722.80 and 2,792,546.40 is: 4,188,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177,815.20 : 12,266,722.80 = 2,792,546.40 : x
  2. Step 2: Convert to fraction form
    8,177,815.20/12,266,722.80 = 2,792,546.40/x
  3. Step 3: Cross multiply
    8,177,815.20x = 12,266,722.80 × 2,792,546.40
  4. Step 4: Simplify right side
    8,177,815.20x = 34,255,392,594,937.92
  5. Step 5: Solve for x
    x = 34,255,392,594,937.92/8,177,815.20
  6. Step 6: Final answer
    x = 4,188,819.60

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1.5x scale

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.