Home / 18,131,649.44-27,191,136.24-5,348,761.76

Finding the Fourth Proportional to 18,131,649.44, 27,191,136.24 and 5,348,761.76

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Solution

The fourth proportional to 18,131,649.44, 27,191,136.24 and 5,348,761.76 is: 8,021,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,649.44 : 27,191,136.24 = 5,348,761.76 : x
  2. Step 2: Convert to fraction form
    18,131,649.44/27,191,136.24 = 5,348,761.76/x
  3. Step 3: Cross multiply
    18,131,649.44x = 27,191,136.24 × 5,348,761.76
  4. Step 4: Simplify right side
    18,131,649.44x = 145,438,909,731,462.16
  5. Step 5: Solve for x
    x = 145,438,909,731,462.16/18,131,649.44
  6. Step 6: Final answer
    x = 8,021,272.98

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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.