Home / 6,427,736.76-8,870,252.18-3,527,176.12

Finding the Fourth Proportional to 6,427,736.76, 8,870,252.18 and 3,527,176.12

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Solution

The fourth proportional to 6,427,736.76, 8,870,252.18 and 3,527,176.12 is: 4,867,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,736.76 : 8,870,252.18 = 3,527,176.12 : x
  2. Step 2: Convert to fraction form
    6,427,736.76/8,870,252.18 = 3,527,176.12/x
  3. Step 3: Cross multiply
    6,427,736.76x = 8,870,252.18 × 3,527,176.12
  4. Step 4: Simplify right side
    6,427,736.76x = 31,286,941,667,673.94
  5. Step 5: Solve for x
    x = 31,286,941,667,673.94/6,427,736.76
  6. Step 6: Final answer
    x = 4,867,489.57

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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.