Home / 7,135,039.22-9,846,380.89-3,871,854.62

Finding the Fourth Proportional to 7,135,039.22, 9,846,380.89 and 3,871,854.62

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Solution

The fourth proportional to 7,135,039.22, 9,846,380.89 and 3,871,854.62 is: 5,343,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,039.22 : 9,846,380.89 = 3,871,854.62 : x
  2. Step 2: Convert to fraction form
    7,135,039.22/9,846,380.89 = 3,871,854.62/x
  3. Step 3: Cross multiply
    7,135,039.22x = 9,846,380.89 × 3,871,854.62
  4. Step 4: Simplify right side
    7,135,039.22x = 38,123,755,339,226.22
  5. Step 5: Solve for x
    x = 38,123,755,339,226.22/7,135,039.22
  6. Step 6: Final answer
    x = 5,343,173.90

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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.