Home / 20,156,009.80-30,234,014.70-11,198,057.80

Finding the Fourth Proportional to 20,156,009.80, 30,234,014.70 and 11,198,057.80

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Solution

The fourth proportional to 20,156,009.80, 30,234,014.70 and 11,198,057.80 is: 16,797,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,009.80 : 30,234,014.70 = 11,198,057.80 : x
  2. Step 2: Convert to fraction form
    20,156,009.80/30,234,014.70 = 11,198,057.80/x
  3. Step 3: Cross multiply
    20,156,009.80x = 30,234,014.70 × 11,198,057.80
  4. Step 4: Simplify right side
    20,156,009.80x = 338,562,244,136,649.69
  5. Step 5: Solve for x
    x = 338,562,244,136,649.69/20,156,009.80
  6. Step 6: Final answer
    x = 16,797,086.70

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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.