Home / 21,591,362.11-29,796,882.21-11,802,464.59

Finding the Fourth Proportional to 21,591,362.11, 29,796,882.21 and 11,802,464.59

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Solution

The fourth proportional to 21,591,362.11, 29,796,882.21 and 11,802,464.59 is: 16,287,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591,362.11 : 29,796,882.21 = 11,802,464.59 : x
  2. Step 2: Convert to fraction form
    21,591,362.11/29,796,882.21 = 11,802,464.59/x
  3. Step 3: Cross multiply
    21,591,362.11x = 29,796,882.21 × 11,802,464.59
  4. Step 4: Simplify right side
    21,591,362.11x = 351,676,647,175,925.94
  5. Step 5: Solve for x
    x = 351,676,647,175,925.94/21,591,362.11
  6. Step 6: Final answer
    x = 16,287,839.80

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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.