Home / 13,760,554.11-18,988,441.55-8,101,754.08

Finding the Fourth Proportional to 13,760,554.11, 18,988,441.55 and 8,101,754.08

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Solution

The fourth proportional to 13,760,554.11, 18,988,441.55 and 8,101,754.08 is: 11,179,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,554.11 : 18,988,441.55 = 8,101,754.08 : x
  2. Step 2: Convert to fraction form
    13,760,554.11/18,988,441.55 = 8,101,754.08/x
  3. Step 3: Cross multiply
    13,760,554.11x = 18,988,441.55 × 8,101,754.08
  4. Step 4: Simplify right side
    13,760,554.11x = 153,839,683,800,554.03
  5. Step 5: Solve for x
    x = 153,839,683,800,554.03/13,760,554.11
  6. Step 6: Final answer
    x = 11,179,759.37

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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.