Home / 7,179,175.87-9,907,293.50-3,916,061.71

Finding the Fourth Proportional to 7,179,175.87, 9,907,293.50 and 3,916,061.71

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Solution

The fourth proportional to 7,179,175.87, 9,907,293.50 and 3,916,061.71 is: 5,404,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,175.87 : 9,907,293.50 = 3,916,061.71 : x
  2. Step 2: Convert to fraction form
    7,179,175.87/9,907,293.50 = 3,916,061.71/x
  3. Step 3: Cross multiply
    7,179,175.87x = 9,907,293.50 × 3,916,061.71
  4. Step 4: Simplify right side
    7,179,175.87x = 38,797,572,700,313.65
  5. Step 5: Solve for x
    x = 38,797,572,700,313.65/7,179,175.87
  6. Step 6: Final answer
    x = 5,404,181.96

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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.