Home / 20,272,108.26-30,407,918.16-8,141,353.86

Finding the Fourth Proportional to 20,272,108.26, 30,407,918.16 and 8,141,353.86

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Solution

The fourth proportional to 20,272,108.26, 30,407,918.16 and 8,141,353.86 is: 12,211,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,108.26 : 30,407,918.16 = 8,141,353.86 : x
  2. Step 2: Convert to fraction form
    20,272,108.26/30,407,918.16 = 8,141,353.86/x
  3. Step 3: Cross multiply
    20,272,108.26x = 30,407,918.16 × 8,141,353.86
  4. Step 4: Simplify right side
    20,272,108.26x = 247,561,621,886,480.09
  5. Step 5: Solve for x
    x = 247,561,621,886,480.09/20,272,108.26
  6. Step 6: Final answer
    x = 12,211,932.71

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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.