Home / 7,474,221.64-11,212,540.02-3,156,920.93

Finding the Fourth Proportional to 7,474,221.64, 11,212,540.02 and 3,156,920.93

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Solution

The fourth proportional to 7,474,221.64, 11,212,540.02 and 3,156,920.93 is: 4,735,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,221.64 : 11,212,540.02 = 3,156,920.93 : x
  2. Step 2: Convert to fraction form
    7,474,221.64/11,212,540.02 = 3,156,920.93/x
  3. Step 3: Cross multiply
    7,474,221.64x = 11,212,540.02 × 3,156,920.93
  4. Step 4: Simplify right side
    7,474,221.64x = 35,397,102,295,631.97
  5. Step 5: Solve for x
    x = 35,397,102,295,631.97/7,474,221.64
  6. Step 6: Final answer
    x = 4,735,891.44

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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.