Home / 18,639,101.35-27,945,653.13-8,258,674.60

Finding the Fourth Proportional to 18,639,101.35, 27,945,653.13 and 8,258,674.60

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Solution

The fourth proportional to 18,639,101.35, 27,945,653.13 and 8,258,674.60 is: 12,382,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,101.35 : 27,945,653.13 = 8,258,674.60 : x
  2. Step 2: Convert to fraction form
    18,639,101.35/27,945,653.13 = 8,258,674.60/x
  3. Step 3: Cross multiply
    18,639,101.35x = 27,945,653.13 × 8,258,674.60
  4. Step 4: Simplify right side
    18,639,101.35x = 230,794,055,685,141.47
  5. Step 5: Solve for x
    x = 230,794,055,685,141.47/18,639,101.35
  6. Step 6: Final answer
    x = 12,382,252.31

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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.