Home / 21,726,616.92-29,982,249.16-11,803,243.16

Finding the Fourth Proportional to 21,726,616.92, 29,982,249.16 and 11,803,243.16

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Solution

The fourth proportional to 21,726,616.92, 29,982,249.16 and 11,803,243.16 is: 16,288,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,616.92 : 29,982,249.16 = 11,803,243.16 : x
  2. Step 2: Convert to fraction form
    21,726,616.92/29,982,249.16 = 11,803,243.16/x
  3. Step 3: Cross multiply
    21,726,616.92x = 29,982,249.16 × 11,803,243.16
  4. Step 4: Simplify right side
    21,726,616.92x = 353,887,777,319,185.75
  5. Step 5: Solve for x
    x = 353,887,777,319,185.75/21,726,616.92
  6. Step 6: Final answer
    x = 16,288,213.61

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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.