Home / 10,167,715.89-15,251,697.23-2,979,395.60

Finding the Fourth Proportional to 10,167,715.89, 15,251,697.23 and 2,979,395.60

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Solution

The fourth proportional to 10,167,715.89, 15,251,697.23 and 2,979,395.60 is: 4,469,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167,715.89 : 15,251,697.23 = 2,979,395.60 : x
  2. Step 2: Convert to fraction form
    10,167,715.89/15,251,697.23 = 2,979,395.60/x
  3. Step 3: Cross multiply
    10,167,715.89x = 15,251,697.23 × 2,979,395.60
  4. Step 4: Simplify right side
    10,167,715.89x = 45,440,839,528,438.73
  5. Step 5: Solve for x
    x = 45,440,839,528,438.73/10,167,715.89
  6. Step 6: Final answer
    x = 4,469,129.55

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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.