Home / 7,977,982.86-11,083,942.58-7,882,323.48

Finding the Fourth Proportional to 7,977,982.86, 11,083,942.58 and 7,882,323.48

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Solution

The fourth proportional to 7,977,982.86, 11,083,942.58 and 7,882,323.48 is: 10,951,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,982.86 : 11,083,942.58 = 7,882,323.48 : x
  2. Step 2: Convert to fraction form
    7,977,982.86/11,083,942.58 = 7,882,323.48/x
  3. Step 3: Cross multiply
    7,977,982.86x = 11,083,942.58 × 7,882,323.48
  4. Step 4: Simplify right side
    7,977,982.86x = 87,367,220,809,894.16
  5. Step 5: Solve for x
    x = 87,367,220,809,894.16/7,977,982.86
  6. Step 6: Final answer
    x = 10,951,041.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.