Home / 20,673,321.29-30,932,067.27-12,333,282.04

Finding the Fourth Proportional to 20,673,321.29, 30,932,067.27 and 12,333,282.04

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Solution

The fourth proportional to 20,673,321.29, 30,932,067.27 and 12,333,282.04 is: 18,453,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673,321.29 : 30,932,067.27 = 12,333,282.04 : x
  2. Step 2: Convert to fraction form
    20,673,321.29/30,932,067.27 = 12,333,282.04/x
  3. Step 3: Cross multiply
    20,673,321.29x = 30,932,067.27 × 12,333,282.04
  4. Step 4: Simplify right side
    20,673,321.29x = 381,493,909,806,077.69
  5. Step 5: Solve for x
    x = 381,493,909,806,077.69/20,673,321.29
  6. Step 6: Final answer
    x = 18,453,440.76

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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.