Home / 21,101,686.27-29,119,701.42-11,682,896.89

Finding the Fourth Proportional to 21,101,686.27, 29,119,701.42 and 11,682,896.89

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Solution

The fourth proportional to 21,101,686.27, 29,119,701.42 and 11,682,896.89 is: 16,122,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,686.27 : 29,119,701.42 = 11,682,896.89 : x
  2. Step 2: Convert to fraction form
    21,101,686.27/29,119,701.42 = 11,682,896.89/x
  3. Step 3: Cross multiply
    21,101,686.27x = 29,119,701.42 × 11,682,896.89
  4. Step 4: Simplify right side
    21,101,686.27x = 340,202,469,177,156.75
  5. Step 5: Solve for x
    x = 340,202,469,177,156.75/21,101,686.27
  6. Step 6: Final answer
    x = 16,122,051.33

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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.