Home / 20,626,049.40-30,943,739.70-12,101,998.20

Finding the Fourth Proportional to 20,626,049.40, 30,943,739.70 and 12,101,998.20

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Solution

The fourth proportional to 20,626,049.40, 30,943,739.70 and 12,101,998.20 is: 18,155,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,049.40 : 30,943,739.70 = 12,101,998.20 : x
  2. Step 2: Convert to fraction form
    20,626,049.40/30,943,739.70 = 12,101,998.20/x
  3. Step 3: Cross multiply
    20,626,049.40x = 30,943,739.70 × 12,101,998.20
  4. Step 4: Simplify right side
    20,626,049.40x = 374,481,082,150,668.50
  5. Step 5: Solve for x
    x = 374,481,082,150,668.50/20,626,049.40
  6. Step 6: Final answer
    x = 18,155,734.76

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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.