Home / 8,215,424.39-11,277,917.67-7,051,850.58

Finding the Fourth Proportional to 8,215,424.39, 11,277,917.67 and 7,051,850.58

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Solution

The fourth proportional to 8,215,424.39, 11,277,917.67 and 7,051,850.58 is: 9,680,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,424.39 : 11,277,917.67 = 7,051,850.58 : x
  2. Step 2: Convert to fraction form
    8,215,424.39/11,277,917.67 = 7,051,850.58/x
  3. Step 3: Cross multiply
    8,215,424.39x = 11,277,917.67 × 7,051,850.58
  4. Step 4: Simplify right side
    8,215,424.39x = 79,530,190,291,451.72
  5. Step 5: Solve for x
    x = 79,530,190,291,451.72/8,215,424.39
  6. Step 6: Final answer
    x = 9,680,594.28

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.