Home / 19,998,167.20-30,008,171.20-8,481,843.16

Finding the Fourth Proportional to 19,998,167.20, 30,008,171.20 and 8,481,843.16

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Solution

The fourth proportional to 19,998,167.20, 30,008,171.20 and 8,481,843.16 is: 12,727,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998,167.20 : 30,008,171.20 = 8,481,843.16 : x
  2. Step 2: Convert to fraction form
    19,998,167.20/30,008,171.20 = 8,481,843.16/x
  3. Step 3: Cross multiply
    19,998,167.20x = 30,008,171.20 × 8,481,843.16
  4. Step 4: Simplify right side
    19,998,167.20x = 254,524,601,636,829
  5. Step 5: Solve for x
    x = 254,524,601,636,829/19,998,167.20
  6. Step 6: Final answer
    x = 12,727,396.42

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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.