Home / 21,017,651.29-29,004,371.21-11,725,221.38

Finding the Fourth Proportional to 21,017,651.29, 29,004,371.21 and 11,725,221.38

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Solution

The fourth proportional to 21,017,651.29, 29,004,371.21 and 11,725,221.38 is: 16,180,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,651.29 : 29,004,371.21 = 11,725,221.38 : x
  2. Step 2: Convert to fraction form
    21,017,651.29/29,004,371.21 = 11,725,221.38/x
  3. Step 3: Cross multiply
    21,017,651.29x = 29,004,371.21 × 11,725,221.38
  4. Step 4: Simplify right side
    21,017,651.29x = 340,082,673,309,239.62
  5. Step 5: Solve for x
    x = 340,082,673,309,239.62/21,017,651.29
  6. Step 6: Final answer
    x = 16,180,812.44

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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.