Home / 15,999,286.45-22,078,849.67-8,656,957.62

Finding the Fourth Proportional to 15,999,286.45, 22,078,849.67 and 8,656,957.62

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Solution

The fourth proportional to 15,999,286.45, 22,078,849.67 and 8,656,957.62 is: 11,946,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999,286.45 : 22,078,849.67 = 8,656,957.62 : x
  2. Step 2: Convert to fraction form
    15,999,286.45/22,078,849.67 = 8,656,957.62/x
  3. Step 3: Cross multiply
    15,999,286.45x = 22,078,849.67 × 8,656,957.62
  4. Step 4: Simplify right side
    15,999,286.45x = 191,135,665,891,540.97
  5. Step 5: Solve for x
    x = 191,135,665,891,540.97/15,999,286.45
  6. Step 6: Final answer
    x = 11,946,511.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.