Home / 21,067,288.56-29,072,858.16-11,409,496.56

Finding the Fourth Proportional to 21,067,288.56, 29,072,858.16 and 11,409,496.56

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Solution

The fourth proportional to 21,067,288.56, 29,072,858.16 and 11,409,496.56 is: 15,745,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067,288.56 : 29,072,858.16 = 11,409,496.56 : x
  2. Step 2: Convert to fraction form
    21,067,288.56/29,072,858.16 = 11,409,496.56/x
  3. Step 3: Cross multiply
    21,067,288.56x = 29,072,858.16 × 11,409,496.56
  4. Step 4: Simplify right side
    21,067,288.56x = 331,706,675,165,887.94
  5. Step 5: Solve for x
    x = 331,706,675,165,887.94/21,067,288.56
  6. Step 6: Final answer
    x = 15,745,105.22

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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.