Home / 13,368,620.70-18,448,751.97-7,568,521.74

Finding the Fourth Proportional to 13,368,620.70, 18,448,751.97 and 7,568,521.74

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Solution

The fourth proportional to 13,368,620.70, 18,448,751.97 and 7,568,521.74 is: 10,444,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368,620.70 : 18,448,751.97 = 7,568,521.74 : x
  2. Step 2: Convert to fraction form
    13,368,620.70/18,448,751.97 = 7,568,521.74/x
  3. Step 3: Cross multiply
    13,368,620.70x = 18,448,751.97 × 7,568,521.74
  4. Step 4: Simplify right side
    13,368,620.70x = 139,629,780,360,812.83
  5. Step 5: Solve for x
    x = 139,629,780,360,812.83/13,368,620.70
  6. Step 6: Final answer
    x = 10,444,591.37

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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.