Home / 13,434,408.66-18,540,131.21-7,555,883.88

Finding the Fourth Proportional to 13,434,408.66, 18,540,131.21 and 7,555,883.88

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Solution

The fourth proportional to 13,434,408.66, 18,540,131.21 and 7,555,883.88 is: 10,427,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,408.66 : 18,540,131.21 = 7,555,883.88 : x
  2. Step 2: Convert to fraction form
    13,434,408.66/18,540,131.21 = 7,555,883.88/x
  3. Step 3: Cross multiply
    13,434,408.66x = 18,540,131.21 × 7,555,883.88
  4. Step 4: Simplify right side
    13,434,408.66x = 140,087,078,504,944.45
  5. Step 5: Solve for x
    x = 140,087,078,504,944.45/13,434,408.66
  6. Step 6: Final answer
    x = 10,427,483.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.