Home / 20,582,687.15-30,876,878.61-6,939,735.55

Finding the Fourth Proportional to 20,582,687.15, 30,876,878.61 and 6,939,735.55

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Solution

The fourth proportional to 20,582,687.15, 30,876,878.61 and 6,939,735.55 is: 10,410,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582,687.15 : 30,876,878.61 = 6,939,735.55 : x
  2. Step 2: Convert to fraction form
    20,582,687.15/30,876,878.61 = 6,939,735.55/x
  3. Step 3: Cross multiply
    20,582,687.15x = 30,876,878.61 × 6,939,735.55
  4. Step 4: Simplify right side
    20,582,687.15x = 214,277,372,066,144.88
  5. Step 5: Solve for x
    x = 214,277,372,066,144.88/20,582,687.15
  6. Step 6: Final answer
    x = 10,410,563.52

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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.