Home / 19,998,162.20-30,008,163.66-8,481,838.12

Finding the Fourth Proportional to 19,998,162.20, 30,008,163.66 and 8,481,838.12

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Solution

The fourth proportional to 19,998,162.20, 30,008,163.66 and 8,481,838.12 is: 12,727,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998,162.20 : 30,008,163.66 = 8,481,838.12 : x
  2. Step 2: Convert to fraction form
    19,998,162.20/30,008,163.66 = 8,481,838.12/x
  3. Step 3: Cross multiply
    19,998,162.20x = 30,008,163.66 × 8,481,838.12
  4. Step 4: Simplify right side
    19,998,162.20x = 254,524,386,442,586.69
  5. Step 5: Solve for x
    x = 254,524,386,442,586.69/19,998,162.20
  6. Step 6: Final answer
    x = 12,727,388.84

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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.