Home / 18,743,558.52-28,083,242.34-10,229,868.84

Finding the Fourth Proportional to 18,743,558.52, 28,083,242.34 and 10,229,868.84

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Solution

The fourth proportional to 18,743,558.52, 28,083,242.34 and 10,229,868.84 is: 15,327,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743,558.52 : 28,083,242.34 = 10,229,868.84 : x
  2. Step 2: Convert to fraction form
    18,743,558.52/28,083,242.34 = 10,229,868.84/x
  3. Step 3: Cross multiply
    18,743,558.52x = 28,083,242.34 × 10,229,868.84
  4. Step 4: Simplify right side
    18,743,558.52x = 287,287,885,740,134.69
  5. Step 5: Solve for x
    x = 287,287,885,740,134.69/18,743,558.52
  6. Step 6: Final answer
    x = 15,327,286.19

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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.