Home / 22,180,621.44-30,765,853.78-21,590,721.92

Finding the Fourth Proportional to 22,180,621.44, 30,765,853.78 and 21,590,721.92

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Solution

The fourth proportional to 22,180,621.44, 30,765,853.78 and 21,590,721.92 is: 29,947,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180,621.44 : 30,765,853.78 = 21,590,721.92 : x
  2. Step 2: Convert to fraction form
    22,180,621.44/30,765,853.78 = 21,590,721.92/x
  3. Step 3: Cross multiply
    22,180,621.44x = 30,765,853.78 × 21,590,721.92
  4. Step 4: Simplify right side
    22,180,621.44x = 664,256,993,595,361
  5. Step 5: Solve for x
    x = 664,256,993,595,361/22,180,621.44
  6. Step 6: Final answer
    x = 29,947,627.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.