Home / 11,312,889.75-15,613,469.25-6,665,188.86

Finding the Fourth Proportional to 11,312,889.75, 15,613,469.25 and 6,665,188.86

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Solution

The fourth proportional to 11,312,889.75, 15,613,469.25 and 6,665,188.86 is: 9,198,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312,889.75 : 15,613,469.25 = 6,665,188.86 : x
  2. Step 2: Convert to fraction form
    11,312,889.75/15,613,469.25 = 6,665,188.86/x
  3. Step 3: Cross multiply
    11,312,889.75x = 15,613,469.25 × 6,665,188.86
  4. Step 4: Simplify right side
    11,312,889.75x = 104,066,721,311,052.56
  5. Step 5: Solve for x
    x = 104,066,721,311,052.56/11,312,889.75
  6. Step 6: Final answer
    x = 9,198,951.25

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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.