Home / 10,780,736.80-16,171,105.20-10,568,160.40

Finding the Fourth Proportional to 10,780,736.80, 16,171,105.20 and 10,568,160.40

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Solution

The fourth proportional to 10,780,736.80, 16,171,105.20 and 10,568,160.40 is: 15,852,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,736.80 : 16,171,105.20 = 10,568,160.40 : x
  2. Step 2: Convert to fraction form
    10,780,736.80/16,171,105.20 = 10,568,160.40/x
  3. Step 3: Cross multiply
    10,780,736.80x = 16,171,105.20 × 10,568,160.40
  4. Step 4: Simplify right side
    10,780,736.80x = 170,898,833,598,874.09
  5. Step 5: Solve for x
    x = 170,898,833,598,874.09/10,780,736.80
  6. Step 6: Final answer
    x = 15,852,240.60

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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.