Home / 7,132,519.11-9,842,045.99-3,992,954.69

Finding the Fourth Proportional to 7,132,519.11, 9,842,045.99 and 3,992,954.69

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Solution

The fourth proportional to 7,132,519.11, 9,842,045.99 and 3,992,954.69 is: 5,509,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,519.11 : 9,842,045.99 = 3,992,954.69 : x
  2. Step 2: Convert to fraction form
    7,132,519.11/9,842,045.99 = 3,992,954.69/x
  3. Step 3: Cross multiply
    7,132,519.11x = 9,842,045.99 × 3,992,954.69
  4. Step 4: Simplify right side
    7,132,519.11x = 39,298,843,739,367.25
  5. Step 5: Solve for x
    x = 39,298,843,739,367.25/7,132,519.11
  6. Step 6: Final answer
    x = 5,509,812.61

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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.