Home / 10,363,481.70-15,545,222.55-8,198,643.30

Finding the Fourth Proportional to 10,363,481.70, 15,545,222.55 and 8,198,643.30

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Solution

The fourth proportional to 10,363,481.70, 15,545,222.55 and 8,198,643.30 is: 12,297,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,481.70 : 15,545,222.55 = 8,198,643.30 : x
  2. Step 2: Convert to fraction form
    10,363,481.70/15,545,222.55 = 8,198,643.30/x
  3. Step 3: Cross multiply
    10,363,481.70x = 15,545,222.55 × 8,198,643.30
  4. Step 4: Simplify right side
    10,363,481.70x = 127,449,734,706,566.42
  5. Step 5: Solve for x
    x = 127,449,734,706,566.42/10,363,481.70
  6. Step 6: Final answer
    x = 12,297,964.95

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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.