Home / 6,930,696.24-9,564,719.56-3,990,950

Finding the Fourth Proportional to 6,930,696.24, 9,564,719.56 and 3,990,950

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Solution

The fourth proportional to 6,930,696.24, 9,564,719.56 and 3,990,950 is: 5,507,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930,696.24 : 9,564,719.56 = 3,990,950 : x
  2. Step 2: Convert to fraction form
    6,930,696.24/9,564,719.56 = 3,990,950/x
  3. Step 3: Cross multiply
    6,930,696.24x = 9,564,719.56 × 3,990,950
  4. Step 4: Simplify right side
    6,930,696.24x = 38,172,317,527,982
  5. Step 5: Solve for x
    x = 38,172,317,527,982/6,930,696.24
  6. Step 6: Final answer
    x = 5,507,717.58

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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.