Home / 36,236,441.92-54,286,081.05-21,420,179.42

Finding the Fourth Proportional to 36,236,441.92, 54,286,081.05 and 21,420,179.42

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Solution

The fourth proportional to 36,236,441.92, 54,286,081.05 and 21,420,179.42 is: 32,089,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,236,441.92 : 54,286,081.05 = 21,420,179.42 : x
  2. Step 2: Convert to fraction form
    36,236,441.92/54,286,081.05 = 21,420,179.42/x
  3. Step 3: Cross multiply
    36,236,441.92x = 54,286,081.05 × 21,420,179.42
  4. Step 4: Simplify right side
    36,236,441.92x = 1,162,817,596,099,662
  5. Step 5: Solve for x
    x = 1,162,817,596,099,662/36,236,441.92
  6. Step 6: Final answer
    x = 32,089,728.86

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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.