Home / 10,233,609.60-15,330,196.80-5,188,540.80

Finding the Fourth Proportional to 10,233,609.60, 15,330,196.80 and 5,188,540.80

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Solution

The fourth proportional to 10,233,609.60, 15,330,196.80 and 5,188,540.80 is: 7,772,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233,609.60 : 15,330,196.80 = 5,188,540.80 : x
  2. Step 2: Convert to fraction form
    10,233,609.60/15,330,196.80 = 5,188,540.80/x
  3. Step 3: Cross multiply
    10,233,609.60x = 15,330,196.80 × 5,188,540.80
  4. Step 4: Simplify right side
    10,233,609.60x = 79,541,351,568,829.44
  5. Step 5: Solve for x
    x = 79,541,351,568,829.44/10,233,609.60
  6. Step 6: Final answer
    x = 7,772,560.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.