Home / 21,067,292.52-29,072,863.68-11,409,500.52

Finding the Fourth Proportional to 21,067,292.52, 29,072,863.68 and 11,409,500.52

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Solution

The fourth proportional to 21,067,292.52, 29,072,863.68 and 11,409,500.52 is: 15,745,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067,292.52 : 29,072,863.68 = 11,409,500.52 : x
  2. Step 2: Convert to fraction form
    21,067,292.52/29,072,863.68 = 11,409,500.52/x
  3. Step 3: Cross multiply
    21,067,292.52x = 29,072,863.68 × 11,409,500.52
  4. Step 4: Simplify right side
    21,067,292.52x = 331,706,853,274,849.12
  5. Step 5: Solve for x
    x = 331,706,853,274,849.12/21,067,292.52
  6. Step 6: Final answer
    x = 15,745,110.72

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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.