Home / 20,324,820.48-28,047,222.24-12,065,235.84

Finding the Fourth Proportional to 20,324,820.48, 28,047,222.24 and 12,065,235.84

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Solution

The fourth proportional to 20,324,820.48, 28,047,222.24 and 12,065,235.84 is: 16,649,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,820.48 : 28,047,222.24 = 12,065,235.84 : x
  2. Step 2: Convert to fraction form
    20,324,820.48/28,047,222.24 = 12,065,235.84/x
  3. Step 3: Cross multiply
    20,324,820.48x = 28,047,222.24 × 12,065,235.84
  4. Step 4: Simplify right side
    20,324,820.48x = 338,396,350,982,493.06
  5. Step 5: Solve for x
    x = 338,396,350,982,493.06/20,324,820.48
  6. Step 6: Final answer
    x = 16,649,414.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.