Home / 11,885,126.68-17,821,120.78-3,685,495.06

Finding the Fourth Proportional to 11,885,126.68, 17,821,120.78 and 3,685,495.06

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Solution

The fourth proportional to 11,885,126.68, 17,821,120.78 and 3,685,495.06 is: 5,526,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885,126.68 : 17,821,120.78 = 3,685,495.06 : x
  2. Step 2: Convert to fraction form
    11,885,126.68/17,821,120.78 = 3,685,495.06/x
  3. Step 3: Cross multiply
    11,885,126.68x = 17,821,120.78 × 3,685,495.06
  4. Step 4: Simplify right side
    11,885,126.68x = 65,679,652,598,353.35
  5. Step 5: Solve for x
    x = 65,679,652,598,353.35/11,885,126.68
  6. Step 6: Final answer
    x = 5,526,205.51

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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.