Home / 18,741,808.23-28,114,987.23-5,278,636.23

Finding the Fourth Proportional to 18,741,808.23, 28,114,987.23 and 5,278,636.23

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Solution

The fourth proportional to 18,741,808.23, 28,114,987.23 and 5,278,636.23 is: 7,918,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741,808.23 : 28,114,987.23 = 5,278,636.23 : x
  2. Step 2: Convert to fraction form
    18,741,808.23/28,114,987.23 = 5,278,636.23/x
  3. Step 3: Cross multiply
    18,741,808.23x = 28,114,987.23 × 5,278,636.23
  4. Step 4: Simplify right side
    18,741,808.23x = 148,408,790,198,265.34
  5. Step 5: Solve for x
    x = 148,408,790,198,265.34/18,741,808.23
  6. Step 6: Final answer
    x = 7,918,595.07

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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.