Home / 21,611,604.46-29,824,725.50-11,821,824.61

Finding the Fourth Proportional to 21,611,604.46, 29,824,725.50 and 11,821,824.61

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Solution

The fourth proportional to 21,611,604.46, 29,824,725.50 and 11,821,824.61 is: 16,314,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611,604.46 : 29,824,725.50 = 11,821,824.61 : x
  2. Step 2: Convert to fraction form
    21,611,604.46/29,824,725.50 = 11,821,824.61/x
  3. Step 3: Cross multiply
    21,611,604.46x = 29,824,725.50 × 11,821,824.61
  4. Step 4: Simplify right side
    21,611,604.46x = 352,582,673,963,450.19
  5. Step 5: Solve for x
    x = 352,582,673,963,450.19/21,611,604.46
  6. Step 6: Final answer
    x = 16,314,507.08

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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.