Home / 17,078,209.70-25,616,888.82-7,990,475.58

Finding the Fourth Proportional to 17,078,209.70, 25,616,888.82 and 7,990,475.58

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Solution

The fourth proportional to 17,078,209.70, 25,616,888.82 and 7,990,475.58 is: 11,985,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078,209.70 : 25,616,888.82 = 7,990,475.58 : x
  2. Step 2: Convert to fraction form
    17,078,209.70/25,616,888.82 = 7,990,475.58/x
  3. Step 3: Cross multiply
    17,078,209.70x = 25,616,888.82 × 7,990,475.58
  4. Step 4: Simplify right side
    17,078,209.70x = 204,691,124,551,785.03
  5. Step 5: Solve for x
    x = 204,691,124,551,785.03/17,078,209.70
  6. Step 6: Final answer
    x = 11,985,514.18

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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.