Home / 36,882,859.65-50,902,809.53-20,991,808.09

Finding the Fourth Proportional to 36,882,859.65, 50,902,809.53 and 20,991,808.09

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Solution

The fourth proportional to 36,882,859.65, 50,902,809.53 and 20,991,808.09 is: 28,971,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,882,859.65 : 50,902,809.53 = 20,991,808.09 : x
  2. Step 2: Convert to fraction form
    36,882,859.65/50,902,809.53 = 20,991,808.09/x
  3. Step 3: Cross multiply
    36,882,859.65x = 50,902,809.53 × 20,991,808.09
  4. Step 4: Simplify right side
    36,882,859.65x = 1,068,542,008,895,583.12
  5. Step 5: Solve for x
    x = 1,068,542,008,895,583.12/36,882,859.65
  6. Step 6: Final answer
    x = 28,971,235.39

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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.