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Finding the Fourth Proportional to 22,019,912.48, 33,029,868.72 and 22,019,912.48

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Solution

The fourth proportional to 22,019,912.48, 33,029,868.72 and 22,019,912.48 is: 33,029,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,912.48 : 33,029,868.72 = 22,019,912.48 : x
  2. Step 2: Convert to fraction form
    22,019,912.48/33,029,868.72 = 22,019,912.48/x
  3. Step 3: Cross multiply
    22,019,912.48x = 33,029,868.72 × 22,019,912.48
  4. Step 4: Simplify right side
    22,019,912.48x = 727,314,818,275,140.25
  5. Step 5: Solve for x
    x = 727,314,818,275,140.25/22,019,912.48
  6. Step 6: Final answer
    x = 33,029,868.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.