Home / 7,134,908.90-9,846,200.79-3,871,724.30

Finding the Fourth Proportional to 7,134,908.90, 9,846,200.79 and 3,871,724.30

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Solution

The fourth proportional to 7,134,908.90, 9,846,200.79 and 3,871,724.30 is: 5,342,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,908.90 : 9,846,200.79 = 3,871,724.30 : x
  2. Step 2: Convert to fraction form
    7,134,908.90/9,846,200.79 = 3,871,724.30/x
  3. Step 3: Cross multiply
    7,134,908.90x = 9,846,200.79 × 3,871,724.30
  4. Step 4: Simplify right side
    7,134,908.90x = 38,121,774,861,322.20
  5. Step 5: Solve for x
    x = 38,121,774,861,322.20/7,134,908.90
  6. Step 6: Final answer
    x = 5,342,993.92

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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.