Home / 20,383,177.79-28,127,942.01-11,090,786.11

Finding the Fourth Proportional to 20,383,177.79, 28,127,942.01 and 11,090,786.11

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Solution

The fourth proportional to 20,383,177.79, 28,127,942.01 and 11,090,786.11 is: 15,304,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,177.79 : 28,127,942.01 = 11,090,786.11 : x
  2. Step 2: Convert to fraction form
    20,383,177.79/28,127,942.01 = 11,090,786.11/x
  3. Step 3: Cross multiply
    20,383,177.79x = 28,127,942.01 × 11,090,786.11
  4. Step 4: Simplify right side
    20,383,177.79x = 311,960,988,477,073.62
  5. Step 5: Solve for x
    x = 311,960,988,477,073.62/20,383,177.79
  6. Step 6: Final answer
    x = 15,304,825.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.