Home / 8,263,081.78-12,393,635.28-2,198,257

Finding the Fourth Proportional to 8,263,081.78, 12,393,635.28 and 2,198,257

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Solution

The fourth proportional to 8,263,081.78, 12,393,635.28 and 2,198,257 is: 3,297,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,081.78 : 12,393,635.28 = 2,198,257 : x
  2. Step 2: Convert to fraction form
    8,263,081.78/12,393,635.28 = 2,198,257/x
  3. Step 3: Cross multiply
    8,263,081.78x = 12,393,635.28 × 2,198,257
  4. Step 4: Simplify right side
    8,263,081.78x = 27,244,395,509,706.96
  5. Step 5: Solve for x
    x = 27,244,395,509,706.96/8,263,081.78
  6. Step 6: Final answer
    x = 3,297,122.82

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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.