Home / 6,318,912.24-8,720,141.40-3,871,527.92

Finding the Fourth Proportional to 6,318,912.24, 8,720,141.40 and 3,871,527.92

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Solution

The fourth proportional to 6,318,912.24, 8,720,141.40 and 3,871,527.92 is: 5,342,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318,912.24 : 8,720,141.40 = 3,871,527.92 : x
  2. Step 2: Convert to fraction form
    6,318,912.24/8,720,141.40 = 3,871,527.92/x
  3. Step 3: Cross multiply
    6,318,912.24x = 8,720,141.40 × 3,871,527.92
  4. Step 4: Simplify right side
    6,318,912.24x = 33,760,270,896,447.89
  5. Step 5: Solve for x
    x = 33,760,270,896,447.89/6,318,912.24
  6. Step 6: Final answer
    x = 5,342,734.57

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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.