Home / 20,372,704.82-28,114,864.54-11,205,588.14

Finding the Fourth Proportional to 20,372,704.82, 28,114,864.54 and 11,205,588.14

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Solution

The fourth proportional to 20,372,704.82, 28,114,864.54 and 11,205,588.14 is: 15,464,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,704.82 : 28,114,864.54 = 11,205,588.14 : x
  2. Step 2: Convert to fraction form
    20,372,704.82/28,114,864.54 = 11,205,588.14/x
  3. Step 3: Cross multiply
    20,372,704.82x = 28,114,864.54 × 11,205,588.14
  4. Step 4: Simplify right side
    20,372,704.82x = 315,043,592,647,130.56
  5. Step 5: Solve for x
    x = 315,043,592,647,130.56/20,372,704.82
  6. Step 6: Final answer
    x = 15,464,004.19

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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.