Home / 11,978,083.70-17,967,125.55-4,786,061.30

Finding the Fourth Proportional to 11,978,083.70, 17,967,125.55 and 4,786,061.30

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Solution

The fourth proportional to 11,978,083.70, 17,967,125.55 and 4,786,061.30 is: 7,179,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,083.70 : 17,967,125.55 = 4,786,061.30 : x
  2. Step 2: Convert to fraction form
    11,978,083.70/17,967,125.55 = 4,786,061.30/x
  3. Step 3: Cross multiply
    11,978,083.70x = 17,967,125.55 × 4,786,061.30
  4. Step 4: Simplify right side
    11,978,083.70x = 85,991,764,267,096.22
  5. Step 5: Solve for x
    x = 85,991,764,267,096.22/11,978,083.70
  6. Step 6: Final answer
    x = 7,179,091.95

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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.