Home / 15,363,494.69-21,201,371.84-8,394,022.24

Finding the Fourth Proportional to 15,363,494.69, 21,201,371.84 and 8,394,022.24

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Solution

The fourth proportional to 15,363,494.69, 21,201,371.84 and 8,394,022.24 is: 11,583,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,494.69 : 21,201,371.84 = 8,394,022.24 : x
  2. Step 2: Convert to fraction form
    15,363,494.69/21,201,371.84 = 8,394,022.24/x
  3. Step 3: Cross multiply
    15,363,494.69x = 21,201,371.84 × 8,394,022.24
  4. Step 4: Simplify right side
    15,363,494.69x = 177,964,786,711,451.38
  5. Step 5: Solve for x
    x = 177,964,786,711,451.38/15,363,494.69
  6. Step 6: Final answer
    x = 11,583,613.65

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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.