Home / 20,149,352.70-30,224,029.05-12,087,195.90

Finding the Fourth Proportional to 20,149,352.70, 30,224,029.05 and 12,087,195.90

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Solution

The fourth proportional to 20,149,352.70, 30,224,029.05 and 12,087,195.90 is: 18,130,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,352.70 : 30,224,029.05 = 12,087,195.90 : x
  2. Step 2: Convert to fraction form
    20,149,352.70/30,224,029.05 = 12,087,195.90/x
  3. Step 3: Cross multiply
    20,149,352.70x = 30,224,029.05 × 12,087,195.90
  4. Step 4: Simplify right side
    20,149,352.70x = 365,323,760,014,640.94
  5. Step 5: Solve for x
    x = 365,323,760,014,640.94/20,149,352.70
  6. Step 6: Final answer
    x = 18,130,793.85

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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.