Home / 8,971,720.09-13,456,927.22-3,505,791.08

Finding the Fourth Proportional to 8,971,720.09, 13,456,927.22 and 3,505,791.08

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Solution

The fourth proportional to 8,971,720.09, 13,456,927.22 and 3,505,791.08 is: 5,258,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,720.09 : 13,456,927.22 = 3,505,791.08 : x
  2. Step 2: Convert to fraction form
    8,971,720.09/13,456,927.22 = 3,505,791.08/x
  3. Step 3: Cross multiply
    8,971,720.09x = 13,456,927.22 × 3,505,791.08
  4. Step 4: Simplify right side
    8,971,720.09x = 47,177,175,428,198.56
  5. Step 5: Solve for x
    x = 47,177,175,428,198.56/8,971,720.09
  6. Step 6: Final answer
    x = 5,258,431.49

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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.