Home / 18,372,875.44-27,561,029.95-5,419,038.73

Finding the Fourth Proportional to 18,372,875.44, 27,561,029.95 and 5,419,038.73

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Solution

The fourth proportional to 18,372,875.44, 27,561,029.95 and 5,419,038.73 is: 8,129,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,875.44 : 27,561,029.95 = 5,419,038.73 : x
  2. Step 2: Convert to fraction form
    18,372,875.44/27,561,029.95 = 5,419,038.73/x
  3. Step 3: Cross multiply
    18,372,875.44x = 27,561,029.95 × 5,419,038.73
  4. Step 4: Simplify right side
    18,372,875.44x = 149,354,288,737,739.97
  5. Step 5: Solve for x
    x = 149,354,288,737,739.97/18,372,875.44
  6. Step 6: Final answer
    x = 8,129,064.46

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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.