Home / 7,188,300.16-9,919,902.26-3,925,137.66

Finding the Fourth Proportional to 7,188,300.16, 9,919,902.26 and 3,925,137.66

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Solution

The fourth proportional to 7,188,300.16, 9,919,902.26 and 3,925,137.66 is: 5,416,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,300.16 : 9,919,902.26 = 3,925,137.66 : x
  2. Step 2: Convert to fraction form
    7,188,300.16/9,919,902.26 = 3,925,137.66/x
  3. Step 3: Cross multiply
    7,188,300.16x = 9,919,902.26 × 3,925,137.66
  4. Step 4: Simplify right side
    7,188,300.16x = 38,936,981,944,245.11
  5. Step 5: Solve for x
    x = 38,936,981,944,245.11/7,188,300.16
  6. Step 6: Final answer
    x = 5,416,716.20

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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.