Home / 18,361,738.24-25,339,131.10-10,212,976.24

Finding the Fourth Proportional to 18,361,738.24, 25,339,131.10 and 10,212,976.24

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Solution

The fourth proportional to 18,361,738.24, 25,339,131.10 and 10,212,976.24 is: 14,093,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,738.24 : 25,339,131.10 = 10,212,976.24 : x
  2. Step 2: Convert to fraction form
    18,361,738.24/25,339,131.10 = 10,212,976.24/x
  3. Step 3: Cross multiply
    18,361,738.24x = 25,339,131.10 × 10,212,976.24
  4. Step 4: Simplify right side
    18,361,738.24x = 258,787,943,866,545.09
  5. Step 5: Solve for x
    x = 258,787,943,866,545.09/18,361,738.24
  6. Step 6: Final answer
    x = 14,093,869.57

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Double scale
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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.