Home / 12,691,749.44-19,021,450.08-5,945,291.84

Finding the Fourth Proportional to 12,691,749.44, 19,021,450.08 and 5,945,291.84

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Solution

The fourth proportional to 12,691,749.44, 19,021,450.08 and 5,945,291.84 is: 8,910,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,749.44 : 19,021,450.08 = 5,945,291.84 : x
  2. Step 2: Convert to fraction form
    12,691,749.44/19,021,450.08 = 5,945,291.84/x
  3. Step 3: Cross multiply
    12,691,749.44x = 19,021,450.08 × 5,945,291.84
  4. Step 4: Simplify right side
    12,691,749.44x = 113,088,071,945,591.33
  5. Step 5: Solve for x
    x = 113,088,071,945,591.33/12,691,749.44
  6. Step 6: Final answer
    x = 8,910,361.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.