Home / 21,320,350.92-29,422,085.49-11,530,792.44

Finding the Fourth Proportional to 21,320,350.92, 29,422,085.49 and 11,530,792.44

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Solution

The fourth proportional to 21,320,350.92, 29,422,085.49 and 11,530,792.44 is: 15,912,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,350.92 : 29,422,085.49 = 11,530,792.44 : x
  2. Step 2: Convert to fraction form
    21,320,350.92/29,422,085.49 = 11,530,792.44/x
  3. Step 3: Cross multiply
    21,320,350.92x = 29,422,085.49 × 11,530,792.44
  4. Step 4: Simplify right side
    21,320,350.92x = 339,259,960,937,125.69
  5. Step 5: Solve for x
    x = 339,259,960,937,125.69/21,320,350.92
  6. Step 6: Final answer
    x = 15,912,494.23

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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.