Home / 21,581,758.82-29,781,940.90-11,792,539.04

Finding the Fourth Proportional to 21,581,758.82, 29,781,940.90 and 11,792,539.04

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Solution

The fourth proportional to 21,581,758.82, 29,781,940.90 and 11,792,539.04 is: 16,273,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,758.82 : 29,781,940.90 = 11,792,539.04 : x
  2. Step 2: Convert to fraction form
    21,581,758.82/29,781,940.90 = 11,792,539.04/x
  3. Step 3: Cross multiply
    21,581,758.82x = 29,781,940.90 × 11,792,539.04
  4. Step 4: Simplify right side
    21,581,758.82x = 351,204,700,750,222.69
  5. Step 5: Solve for x
    x = 351,204,700,750,222.69/21,581,758.82
  6. Step 6: Final answer
    x = 16,273,219.61

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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.