Home / 20,659,640.10-30,990,626.55-6,283,176.90

Finding the Fourth Proportional to 20,659,640.10, 30,990,626.55 and 6,283,176.90

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Solution

The fourth proportional to 20,659,640.10, 30,990,626.55 and 6,283,176.90 is: 9,425,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,640.10 : 30,990,626.55 = 6,283,176.90 : x
  2. Step 2: Convert to fraction form
    20,659,640.10/30,990,626.55 = 6,283,176.90/x
  3. Step 3: Cross multiply
    20,659,640.10x = 30,990,626.55 × 6,283,176.90
  4. Step 4: Simplify right side
    20,659,640.10x = 194,719,588,855,486.72
  5. Step 5: Solve for x
    x = 194,719,588,855,486.72/20,659,640.10
  6. Step 6: Final answer
    x = 9,425,120.09

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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.