Home / 6,939,516.17-9,577,537.94-3,998,761.16

Finding the Fourth Proportional to 6,939,516.17, 9,577,537.94 and 3,998,761.16

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Solution

The fourth proportional to 6,939,516.17, 9,577,537.94 and 3,998,761.16 is: 5,518,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939,516.17 : 9,577,537.94 = 3,998,761.16 : x
  2. Step 2: Convert to fraction form
    6,939,516.17/9,577,537.94 = 3,998,761.16/x
  3. Step 3: Cross multiply
    6,939,516.17x = 9,577,537.94 × 3,998,761.16
  4. Step 4: Simplify right side
    6,939,516.17x = 38,298,286,685,007.62
  5. Step 5: Solve for x
    x = 38,298,286,685,007.62/6,939,516.17
  6. Step 6: Final answer
    x = 5,518,869.87

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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.