Home / 6,991,912.14-9,648,149-3,894,331.60

Finding the Fourth Proportional to 6,991,912.14, 9,648,149 and 3,894,331.60

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Solution

The fourth proportional to 6,991,912.14, 9,648,149 and 3,894,331.60 is: 5,373,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,912.14 : 9,648,149 = 3,894,331.60 : x
  2. Step 2: Convert to fraction form
    6,991,912.14/9,648,149 = 3,894,331.60/x
  3. Step 3: Cross multiply
    6,991,912.14x = 9,648,149 × 3,894,331.60
  4. Step 4: Simplify right side
    6,991,912.14x = 37,573,091,532,208.40
  5. Step 5: Solve for x
    x = 37,573,091,532,208.40/6,991,912.14
  6. Step 6: Final answer
    x = 5,373,793.43

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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.