Home / 27,945,408.70-41,918,113.05-8,778,103.30

Finding the Fourth Proportional to 27,945,408.70, 41,918,113.05 and 8,778,103.30

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Solution

The fourth proportional to 27,945,408.70, 41,918,113.05 and 8,778,103.30 is: 13,167,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945,408.70 : 41,918,113.05 = 8,778,103.30 : x
  2. Step 2: Convert to fraction form
    27,945,408.70/41,918,113.05 = 8,778,103.30/x
  3. Step 3: Cross multiply
    27,945,408.70x = 41,918,113.05 × 8,778,103.30
  4. Step 4: Simplify right side
    27,945,408.70x = 367,961,526,493,978.06
  5. Step 5: Solve for x
    x = 367,961,526,493,978.06/27,945,408.70
  6. Step 6: Final answer
    x = 13,167,154.95

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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.