Home / 8,132,812.08-12,191,286.56-3,871,836.24

Finding the Fourth Proportional to 8,132,812.08, 12,191,286.56 and 3,871,836.24

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Solution

The fourth proportional to 8,132,812.08, 12,191,286.56 and 3,871,836.24 is: 5,803,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132,812.08 : 12,191,286.56 = 3,871,836.24 : x
  2. Step 2: Convert to fraction form
    8,132,812.08/12,191,286.56 = 3,871,836.24/x
  3. Step 3: Cross multiply
    8,132,812.08x = 12,191,286.56 × 3,871,836.24
  4. Step 4: Simplify right side
    8,132,812.08x = 47,202,665,115,232.94
  5. Step 5: Solve for x
    x = 47,202,665,115,232.94/8,132,812.08
  6. Step 6: Final answer
    x = 5,803,978.34

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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.