Home / 8,188,118-11,299,720.32-4,751,398.16

Finding the Fourth Proportional to 8,188,118, 11,299,720.32 and 4,751,398.16

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Solution

The fourth proportional to 8,188,118, 11,299,720.32 and 4,751,398.16 is: 6,556,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,118 : 11,299,720.32 = 4,751,398.16 : x
  2. Step 2: Convert to fraction form
    8,188,118/11,299,720.32 = 4,751,398.16/x
  3. Step 3: Cross multiply
    8,188,118x = 11,299,720.32 × 4,751,398.16
  4. Step 4: Simplify right side
    8,188,118x = 53,689,470,336,962.62
  5. Step 5: Solve for x
    x = 53,689,470,336,962.62/8,188,118
  6. Step 6: Final answer
    x = 6,556,997.63

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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.