Home / 8,083,249.80-12,089,882.70-7,236,443.40

Finding the Fourth Proportional to 8,083,249.80, 12,089,882.70 and 7,236,443.40

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Solution

The fourth proportional to 8,083,249.80, 12,089,882.70 and 7,236,443.40 is: 10,823,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,249.80 : 12,089,882.70 = 7,236,443.40 : x
  2. Step 2: Convert to fraction form
    8,083,249.80/12,089,882.70 = 7,236,443.40/x
  3. Step 3: Cross multiply
    8,083,249.80x = 12,089,882.70 × 7,236,443.40
  4. Step 4: Simplify right side
    8,083,249.80x = 87,487,751,871,189.17
  5. Step 5: Solve for x
    x = 87,487,751,871,189.17/8,083,249.80
  6. Step 6: Final answer
    x = 10,823,338.88

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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.