Home / 21,082,033.62-29,091,998.88-11,662,262.55

Finding the Fourth Proportional to 21,082,033.62, 29,091,998.88 and 11,662,262.55

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Solution

The fourth proportional to 21,082,033.62, 29,091,998.88 and 11,662,262.55 is: 16,093,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082,033.62 : 29,091,998.88 = 11,662,262.55 : x
  2. Step 2: Convert to fraction form
    21,082,033.62/29,091,998.88 = 11,662,262.55/x
  3. Step 3: Cross multiply
    21,082,033.62x = 29,091,998.88 × 11,662,262.55
  4. Step 4: Simplify right side
    21,082,033.62x = 339,278,529,042,865.94
  5. Step 5: Solve for x
    x = 339,278,529,042,865.94/21,082,033.62
  6. Step 6: Final answer
    x = 16,093,254.34

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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.