Home / 15,343,823.43-21,174,175.92-8,374,550.88

Finding the Fourth Proportional to 15,343,823.43, 21,174,175.92 and 8,374,550.88

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Solution

The fourth proportional to 15,343,823.43, 21,174,175.92 and 8,374,550.88 is: 11,556,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343,823.43 : 21,174,175.92 = 8,374,550.88 : x
  2. Step 2: Convert to fraction form
    15,343,823.43/21,174,175.92 = 8,374,550.88/x
  3. Step 3: Cross multiply
    15,343,823.43x = 21,174,175.92 × 8,374,550.88
  4. Step 4: Simplify right side
    15,343,823.43x = 177,324,213,584,110.81
  5. Step 5: Solve for x
    x = 177,324,213,584,110.81/15,343,823.43
  6. Step 6: Final answer
    x = 11,556,716.25

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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.