Home / 36,399,730.86-50,231,971.80-20,717,989.92

Finding the Fourth Proportional to 36,399,730.86, 50,231,971.80 and 20,717,989.92

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Solution

The fourth proportional to 36,399,730.86, 50,231,971.80 and 20,717,989.92 is: 28,591,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399,730.86 : 50,231,971.80 = 20,717,989.92 : x
  2. Step 2: Convert to fraction form
    36,399,730.86/50,231,971.80 = 20,717,989.92/x
  3. Step 3: Cross multiply
    36,399,730.86x = 50,231,971.80 × 20,717,989.92
  4. Step 4: Simplify right side
    36,399,730.86x = 1,040,705,485,414,124.25
  5. Step 5: Solve for x
    x = 1,040,705,485,414,124.25/36,399,730.86
  6. Step 6: Final answer
    x = 28,591,021.44

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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.