Home / 21,932,879.13-30,269,404.26-12,143,323.44

Finding the Fourth Proportional to 21,932,879.13, 30,269,404.26 and 12,143,323.44

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Solution

The fourth proportional to 21,932,879.13, 30,269,404.26 and 12,143,323.44 is: 16,758,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,879.13 : 30,269,404.26 = 12,143,323.44 : x
  2. Step 2: Convert to fraction form
    21,932,879.13/30,269,404.26 = 12,143,323.44/x
  3. Step 3: Cross multiply
    21,932,879.13x = 30,269,404.26 × 12,143,323.44
  4. Step 4: Simplify right side
    21,932,879.13x = 367,571,166,265,293.88
  5. Step 5: Solve for x
    x = 367,571,166,265,293.88/21,932,879.13
  6. Step 6: Final answer
    x = 16,758,910.86

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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.