Home / 15,876,218.56-21,906,525.90-9,351,147.28

Finding the Fourth Proportional to 15,876,218.56, 21,906,525.90 and 9,351,147.28

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Solution

The fourth proportional to 15,876,218.56, 21,906,525.90 and 9,351,147.28 is: 12,903,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876,218.56 : 21,906,525.90 = 9,351,147.28 : x
  2. Step 2: Convert to fraction form
    15,876,218.56/21,906,525.90 = 9,351,147.28/x
  3. Step 3: Cross multiply
    15,876,218.56x = 21,906,525.90 × 9,351,147.28
  4. Step 4: Simplify right side
    15,876,218.56x = 204,851,150,084,034.53
  5. Step 5: Solve for x
    x = 204,851,150,084,034.53/15,876,218.56
  6. Step 6: Final answer
    x = 12,903,019.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.