Home / 7,134,846.05-9,846,037.61-3,871,577.79

Finding the Fourth Proportional to 7,134,846.05, 9,846,037.61 and 3,871,577.79

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Solution

The fourth proportional to 7,134,846.05, 9,846,037.61 and 3,871,577.79 is: 5,342,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,846.05 : 9,846,037.61 = 3,871,577.79 : x
  2. Step 2: Convert to fraction form
    7,134,846.05/9,846,037.61 = 3,871,577.79/x
  3. Step 3: Cross multiply
    7,134,846.05x = 9,846,037.61 × 3,871,577.79
  4. Step 4: Simplify right side
    7,134,846.05x = 38,119,700,530,380.68
  5. Step 5: Solve for x
    x = 38,119,700,530,380.68/7,134,846.05
  6. Step 6: Final answer
    x = 5,342,750.25

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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.