Home / 20,740,704.75-28,622,175.12-11,448,278.03

Finding the Fourth Proportional to 20,740,704.75, 28,622,175.12 and 11,448,278.03

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Solution

The fourth proportional to 20,740,704.75, 28,622,175.12 and 11,448,278.03 is: 15,798,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,704.75 : 28,622,175.12 = 11,448,278.03 : x
  2. Step 2: Convert to fraction form
    20,740,704.75/28,622,175.12 = 11,448,278.03/x
  3. Step 3: Cross multiply
    20,740,704.75x = 28,622,175.12 × 11,448,278.03
  4. Step 4: Simplify right side
    20,740,704.75x = 327,674,618,668,664.06
  5. Step 5: Solve for x
    x = 327,674,618,668,664.06/20,740,704.75
  6. Step 6: Final answer
    x = 15,798,625.10

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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.