Home / 18,172,080.80-27,258,121.20-17,052,336.80

Finding the Fourth Proportional to 18,172,080.80, 27,258,121.20 and 17,052,336.80

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Solution

The fourth proportional to 18,172,080.80, 27,258,121.20 and 17,052,336.80 is: 25,578,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,080.80 : 27,258,121.20 = 17,052,336.80 : x
  2. Step 2: Convert to fraction form
    18,172,080.80/27,258,121.20 = 17,052,336.80/x
  3. Step 3: Cross multiply
    18,172,080.80x = 27,258,121.20 × 17,052,336.80
  4. Step 4: Simplify right side
    18,172,080.80x = 464,814,663,237,620.19
  5. Step 5: Solve for x
    x = 464,814,663,237,620.19/18,172,080.80
  6. Step 6: Final answer
    x = 25,578,505.20

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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.