Home / 30,351,478.80-45,527,218.20-27,162,832.80

Finding the Fourth Proportional to 30,351,478.80, 45,527,218.20 and 27,162,832.80

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Solution

The fourth proportional to 30,351,478.80, 45,527,218.20 and 27,162,832.80 is: 40,744,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351,478.80 : 45,527,218.20 = 27,162,832.80 : x
  2. Step 2: Convert to fraction form
    30,351,478.80/45,527,218.20 = 27,162,832.80/x
  3. Step 3: Cross multiply
    30,351,478.80x = 45,527,218.20 × 27,162,832.80
  4. Step 4: Simplify right side
    30,351,478.80x = 1,236,648,215,815,717
  5. Step 5: Solve for x
    x = 1,236,648,215,815,717/30,351,478.80
  6. Step 6: Final answer
    x = 40,744,249.20

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Double scale
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Similar ratio
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1.5x scale

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.