Home / 21,082,182.88-29,093,450.16-11,424,390.88

Finding the Fourth Proportional to 21,082,182.88, 29,093,450.16 and 11,424,390.88

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Solution

The fourth proportional to 21,082,182.88, 29,093,450.16 and 11,424,390.88 is: 15,765,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082,182.88 : 29,093,450.16 = 11,424,390.88 : x
  2. Step 2: Convert to fraction form
    21,082,182.88/29,093,450.16 = 11,424,390.88/x
  3. Step 3: Cross multiply
    21,082,182.88x = 29,093,450.16 × 11,424,390.88
  4. Step 4: Simplify right side
    21,082,182.88x = 332,374,946,675,638.56
  5. Step 5: Solve for x
    x = 332,374,946,675,638.56/21,082,182.88
  6. Step 6: Final answer
    x = 15,765,679.89

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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.