Home / 6,128,912.66-8,457,958.24-3,375,662.52

Finding the Fourth Proportional to 6,128,912.66, 8,457,958.24 and 3,375,662.52

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Solution

The fourth proportional to 6,128,912.66, 8,457,958.24 and 3,375,662.52 is: 4,658,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,912.66 : 8,457,958.24 = 3,375,662.52 : x
  2. Step 2: Convert to fraction form
    6,128,912.66/8,457,958.24 = 3,375,662.52/x
  3. Step 3: Cross multiply
    6,128,912.66x = 8,457,958.24 × 3,375,662.52
  4. Step 4: Simplify right side
    6,128,912.66x = 28,551,212,626,493.16
  5. Step 5: Solve for x
    x = 28,551,212,626,493.16/6,128,912.66
  6. Step 6: Final answer
    x = 4,658,446.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.