Home / 18,131,633.44-27,191,112.24-5,348,745.76

Finding the Fourth Proportional to 18,131,633.44, 27,191,112.24 and 5,348,745.76

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Solution

The fourth proportional to 18,131,633.44, 27,191,112.24 and 5,348,745.76 is: 8,021,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,633.44 : 27,191,112.24 = 5,348,745.76 : x
  2. Step 2: Convert to fraction form
    18,131,633.44/27,191,112.24 = 5,348,745.76/x
  3. Step 3: Cross multiply
    18,131,633.44x = 27,191,112.24 × 5,348,745.76
  4. Step 4: Simplify right side
    18,131,633.44x = 145,438,346,303,384.09
  5. Step 5: Solve for x
    x = 145,438,346,303,384.09/18,131,633.44
  6. Step 6: Final answer
    x = 8,021,248.98

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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.