Home / 21,131,287.44-29,161,284.24-11,965,716.24

Finding the Fourth Proportional to 21,131,287.44, 29,161,284.24 and 11,965,716.24

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Solution

The fourth proportional to 21,131,287.44, 29,161,284.24 and 11,965,716.24 is: 16,512,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,131,287.44 : 29,161,284.24 = 11,965,716.24 : x
  2. Step 2: Convert to fraction form
    21,131,287.44/29,161,284.24 = 11,965,716.24/x
  3. Step 3: Cross multiply
    21,131,287.44x = 29,161,284.24 × 11,965,716.24
  4. Step 4: Simplify right side
    21,131,287.44x = 348,935,652,409,824.06
  5. Step 5: Solve for x
    x = 348,935,652,409,824.06/21,131,287.44
  6. Step 6: Final answer
    x = 16,512,749.32

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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.