Home / 12,215,310.24-18,322,949.86-3,117,408.01

Finding the Fourth Proportional to 12,215,310.24, 18,322,949.86 and 3,117,408.01

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Solution

The fourth proportional to 12,215,310.24, 18,322,949.86 and 3,117,408.01 is: 4,676,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,310.24 : 18,322,949.86 = 3,117,408.01 : x
  2. Step 2: Convert to fraction form
    12,215,310.24/18,322,949.86 = 3,117,408.01/x
  3. Step 3: Cross multiply
    12,215,310.24x = 18,322,949.86 × 3,117,408.01
  4. Step 4: Simplify right side
    12,215,310.24x = 57,120,110,600,755.84
  5. Step 5: Solve for x
    x = 57,120,110,600,755.84/12,215,310.24
  6. Step 6: Final answer
    x = 4,676,108.06

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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.