Home / 8,078,769.96-11,149,682.60-5,902,223.84

Finding the Fourth Proportional to 8,078,769.96, 11,149,682.60 and 5,902,223.84

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Solution

The fourth proportional to 8,078,769.96, 11,149,682.60 and 5,902,223.84 is: 8,145,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,769.96 : 11,149,682.60 = 5,902,223.84 : x
  2. Step 2: Convert to fraction form
    8,078,769.96/11,149,682.60 = 5,902,223.84/x
  3. Step 3: Cross multiply
    8,078,769.96x = 11,149,682.60 × 5,902,223.84
  4. Step 4: Simplify right side
    8,078,769.96x = 65,807,922,450,153.18
  5. Step 5: Solve for x
    x = 65,807,922,450,153.18/8,078,769.96
  6. Step 6: Final answer
    x = 8,145,784.91

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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.