Home / 18,279,822.24-25,183,758.05-12,764,461.11

Finding the Fourth Proportional to 18,279,822.24, 25,183,758.05 and 12,764,461.11

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Solution

The fourth proportional to 18,279,822.24, 25,183,758.05 and 12,764,461.11 is: 17,585,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,822.24 : 25,183,758.05 = 12,764,461.11 : x
  2. Step 2: Convert to fraction form
    18,279,822.24/25,183,758.05 = 12,764,461.11/x
  3. Step 3: Cross multiply
    18,279,822.24x = 25,183,758.05 × 12,764,461.11
  4. Step 4: Simplify right side
    18,279,822.24x = 321,457,100,169,052.12
  5. Step 5: Solve for x
    x = 321,457,100,169,052.12/18,279,822.24
  6. Step 6: Final answer
    x = 17,585,351.54

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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.