Home / 22,180,615.06-30,765,844.92-21,590,715.54

Finding the Fourth Proportional to 22,180,615.06, 30,765,844.92 and 21,590,715.54

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Solution

The fourth proportional to 22,180,615.06, 30,765,844.92 and 21,590,715.54 is: 29,947,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180,615.06 : 30,765,844.92 = 21,590,715.54 : x
  2. Step 2: Convert to fraction form
    22,180,615.06/30,765,844.92 = 21,590,715.54/x
  3. Step 3: Cross multiply
    22,180,615.06x = 30,765,844.92 × 21,590,715.54
  4. Step 4: Simplify right side
    22,180,615.06x = 664,256,606,015,474.12
  5. Step 5: Solve for x
    x = 664,256,606,015,474.12/22,180,615.06
  6. Step 6: Final answer
    x = 29,947,618.87

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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.