Home / 7,144,163.20-10,717,425.60-3,309,817.60

Finding the Fourth Proportional to 7,144,163.20, 10,717,425.60 and 3,309,817.60

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Solution

The fourth proportional to 7,144,163.20, 10,717,425.60 and 3,309,817.60 is: 4,965,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,163.20 : 10,717,425.60 = 3,309,817.60 : x
  2. Step 2: Convert to fraction form
    7,144,163.20/10,717,425.60 = 3,309,817.60/x
  3. Step 3: Cross multiply
    7,144,163.20x = 10,717,425.60 × 3,309,817.60
  4. Step 4: Simplify right side
    7,144,163.20x = 35,472,723,877,570.56
  5. Step 5: Solve for x
    x = 35,472,723,877,570.56/7,144,163.20
  6. Step 6: Final answer
    x = 4,965,273.45

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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.