Home / 36,818,786.56-50,809,981.44-20,520,912.64

Finding the Fourth Proportional to 36,818,786.56, 50,809,981.44 and 20,520,912.64

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Solution

The fourth proportional to 36,818,786.56, 50,809,981.44 and 20,520,912.64 is: 28,318,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818,786.56 : 50,809,981.44 = 20,520,912.64 : x
  2. Step 2: Convert to fraction form
    36,818,786.56/50,809,981.44 = 20,520,912.64/x
  3. Step 3: Cross multiply
    36,818,786.56x = 50,809,981.44 × 20,520,912.64
  4. Step 4: Simplify right side
    36,818,786.56x = 1,042,667,190,370,261.38
  5. Step 5: Solve for x
    x = 1,042,667,190,370,261.38/36,818,786.56
  6. Step 6: Final answer
    x = 28,318,890.65

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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.