Home / 20,892,910.14-31,346,677.08-8,122,375.62

Finding the Fourth Proportional to 20,892,910.14, 31,346,677.08 and 8,122,375.62

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Solution

The fourth proportional to 20,892,910.14, 31,346,677.08 and 8,122,375.62 is: 12,186,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892,910.14 : 31,346,677.08 = 8,122,375.62 : x
  2. Step 2: Convert to fraction form
    20,892,910.14/31,346,677.08 = 8,122,375.62/x
  3. Step 3: Cross multiply
    20,892,910.14x = 31,346,677.08 × 8,122,375.62
  4. Step 4: Simplify right side
    20,892,910.14x = 254,609,485,682,604.78
  5. Step 5: Solve for x
    x = 254,609,485,682,604.78/20,892,910.14
  6. Step 6: Final answer
    x = 12,186,406.01

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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.