Home / 36,918,874.80-50,950,446.84-20,399,001.36

Finding the Fourth Proportional to 36,918,874.80, 50,950,446.84 and 20,399,001.36

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Solution

The fourth proportional to 36,918,874.80, 50,950,446.84 and 20,399,001.36 is: 28,151,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918,874.80 : 50,950,446.84 = 20,399,001.36 : x
  2. Step 2: Convert to fraction form
    36,918,874.80/50,950,446.84 = 20,399,001.36/x
  3. Step 3: Cross multiply
    36,918,874.80x = 50,950,446.84 × 20,399,001.36
  4. Step 4: Simplify right side
    36,918,874.80x = 1,039,338,234,381,767.75
  5. Step 5: Solve for x
    x = 1,039,338,234,381,767.75/36,918,874.80
  6. Step 6: Final answer
    x = 28,151,947.75

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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.