Home / 21,628,861.09-29,847,837.65-11,839,361.11

Finding the Fourth Proportional to 21,628,861.09, 29,847,837.65 and 11,839,361.11

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Solution

The fourth proportional to 21,628,861.09, 29,847,837.65 and 11,839,361.11 is: 16,338,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628,861.09 : 29,847,837.65 = 11,839,361.11 : x
  2. Step 2: Convert to fraction form
    21,628,861.09/29,847,837.65 = 11,839,361.11/x
  3. Step 3: Cross multiply
    21,628,861.09x = 29,847,837.65 × 11,839,361.11
  4. Step 4: Simplify right side
    21,628,861.09x = 353,379,328,157,187.38
  5. Step 5: Solve for x
    x = 353,379,328,157,187.38/21,628,861.09
  6. Step 6: Final answer
    x = 16,338,323.44

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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.