Home / 6,787,144.45-10,167,085.45-3,138,760.47

Finding the Fourth Proportional to 6,787,144.45, 10,167,085.45 and 3,138,760.47

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Solution

The fourth proportional to 6,787,144.45, 10,167,085.45 and 3,138,760.47 is: 4,701,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,144.45 : 10,167,085.45 = 3,138,760.47 : x
  2. Step 2: Convert to fraction form
    6,787,144.45/10,167,085.45 = 3,138,760.47/x
  3. Step 3: Cross multiply
    6,787,144.45x = 10,167,085.45 × 3,138,760.47
  4. Step 4: Simplify right side
    6,787,144.45x = 31,912,045,905,572.16
  5. Step 5: Solve for x
    x = 31,912,045,905,572.16/6,787,144.45
  6. Step 6: Final answer
    x = 4,701,836.85

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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.