Home / 7,134,839.55-9,846,028.64-3,871,571.29

Finding the Fourth Proportional to 7,134,839.55, 9,846,028.64 and 3,871,571.29

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Solution

The fourth proportional to 7,134,839.55, 9,846,028.64 and 3,871,571.29 is: 5,342,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,839.55 : 9,846,028.64 = 3,871,571.29 : x
  2. Step 2: Convert to fraction form
    7,134,839.55/9,846,028.64 = 3,871,571.29/x
  3. Step 3: Cross multiply
    7,134,839.55x = 9,846,028.64 × 3,871,571.29
  4. Step 4: Simplify right side
    7,134,839.55x = 38,119,601,788,205.60
  5. Step 5: Solve for x
    x = 38,119,601,788,205.60/7,134,839.55
  6. Step 6: Final answer
    x = 5,342,741.28

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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.