Home / 18,100,311.40-27,151,123.20-5,322,107.80

Finding the Fourth Proportional to 18,100,311.40, 27,151,123.20 and 5,322,107.80

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Solution

The fourth proportional to 18,100,311.40, 27,151,123.20 and 5,322,107.80 is: 7,983,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100,311.40 : 27,151,123.20 = 5,322,107.80 : x
  2. Step 2: Convert to fraction form
    18,100,311.40/27,151,123.20 = 5,322,107.80/x
  3. Step 3: Cross multiply
    18,100,311.40x = 27,151,123.20 × 5,322,107.80
  4. Step 4: Simplify right side
    18,100,311.40x = 144,501,204,561,480.94
  5. Step 5: Solve for x
    x = 144,501,204,561,480.94/18,100,311.40
  6. Step 6: Final answer
    x = 7,983,354.62

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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.