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Finding the Fourth Proportional to 22,242,394.80, 33,321,601.80 and 11,422,868.40

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Solution

The fourth proportional to 22,242,394.80, 33,321,601.80 and 11,422,868.40 is: 17,112,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242,394.80 : 33,321,601.80 = 11,422,868.40 : x
  2. Step 2: Convert to fraction form
    22,242,394.80/33,321,601.80 = 11,422,868.40/x
  3. Step 3: Cross multiply
    22,242,394.80x = 33,321,601.80 × 11,422,868.40
  4. Step 4: Simplify right side
    22,242,394.80x = 380,628,272,238,603.12
  5. Step 5: Solve for x
    x = 380,628,272,238,603.12/22,242,394.80
  6. Step 6: Final answer
    x = 17,112,737.89

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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.