Home / 21,591,361.11-29,796,880.83-11,802,463.59

Finding the Fourth Proportional to 21,591,361.11, 29,796,880.83 and 11,802,463.59

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Solution

The fourth proportional to 21,591,361.11, 29,796,880.83 and 11,802,463.59 is: 16,287,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591,361.11 : 29,796,880.83 = 11,802,463.59 : x
  2. Step 2: Convert to fraction form
    21,591,361.11/29,796,880.83 = 11,802,463.59/x
  3. Step 3: Cross multiply
    21,591,361.11x = 29,796,880.83 × 11,802,463.59
  4. Step 4: Simplify right side
    21,591,361.11x = 351,676,601,091,643.94
  5. Step 5: Solve for x
    x = 351,676,601,091,643.94/21,591,361.11
  6. Step 6: Final answer
    x = 16,287,838.42

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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.