Home / 18,639,100.35-27,945,651.63-8,258,673.60

Finding the Fourth Proportional to 18,639,100.35, 27,945,651.63 and 8,258,673.60

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Solution

The fourth proportional to 18,639,100.35, 27,945,651.63 and 8,258,673.60 is: 12,382,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,100.35 : 27,945,651.63 = 8,258,673.60 : x
  2. Step 2: Convert to fraction form
    18,639,100.35/27,945,651.63 = 8,258,673.60/x
  3. Step 3: Cross multiply
    18,639,100.35x = 27,945,651.63 × 8,258,673.60
  4. Step 4: Simplify right side
    18,639,100.35x = 230,794,015,351,477.94
  5. Step 5: Solve for x
    x = 230,794,015,351,477.94/18,639,100.35
  6. Step 6: Final answer
    x = 12,382,250.81

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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.