Home / 18,397,227.54-25,389,288.84-10,137,279.84

Finding the Fourth Proportional to 18,397,227.54, 25,389,288.84 and 10,137,279.84

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Solution

The fourth proportional to 18,397,227.54, 25,389,288.84 and 10,137,279.84 is: 13,990,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,227.54 : 25,389,288.84 = 10,137,279.84 : x
  2. Step 2: Convert to fraction form
    18,397,227.54/25,389,288.84 = 10,137,279.84/x
  3. Step 3: Cross multiply
    18,397,227.54x = 25,389,288.84 × 10,137,279.84
  4. Step 4: Simplify right side
    18,397,227.54x = 257,378,325,909,668.97
  5. Step 5: Solve for x
    x = 257,378,325,909,668.97/18,397,227.54
  6. Step 6: Final answer
    x = 13,990,060.48

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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.