Home / 20,229,119.40-30,343,679.10-8,100,454.80

Finding the Fourth Proportional to 20,229,119.40, 30,343,679.10 and 8,100,454.80

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Solution

The fourth proportional to 20,229,119.40, 30,343,679.10 and 8,100,454.80 is: 12,150,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,119.40 : 30,343,679.10 = 8,100,454.80 : x
  2. Step 2: Convert to fraction form
    20,229,119.40/30,343,679.10 = 8,100,454.80/x
  3. Step 3: Cross multiply
    20,229,119.40x = 30,343,679.10 × 8,100,454.80
  4. Step 4: Simplify right side
    20,229,119.40x = 245,797,601,015,254.69
  5. Step 5: Solve for x
    x = 245,797,601,015,254.69/20,229,119.40
  6. Step 6: Final answer
    x = 12,150,682.20

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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.