Home / 18,590,514.38-25,647,418.68-11,235,578.54

Finding the Fourth Proportional to 18,590,514.38, 25,647,418.68 and 11,235,578.54

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Solution

The fourth proportional to 18,590,514.38, 25,647,418.68 and 11,235,578.54 is: 15,500,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,514.38 : 25,647,418.68 = 11,235,578.54 : x
  2. Step 2: Convert to fraction form
    18,590,514.38/25,647,418.68 = 11,235,578.54/x
  3. Step 3: Cross multiply
    18,590,514.38x = 25,647,418.68 × 11,235,578.54
  4. Step 4: Simplify right side
    18,590,514.38x = 288,163,586,799,166.06
  5. Step 5: Solve for x
    x = 288,163,586,799,166.06/18,590,514.38
  6. Step 6: Final answer
    x = 15,500,570.94

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1.5x scale

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.