Home / 21,186,760.56-31,780,436.09-6,040,692.06

Finding the Fourth Proportional to 21,186,760.56, 31,780,436.09 and 6,040,692.06

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Solution

The fourth proportional to 21,186,760.56, 31,780,436.09 and 6,040,692.06 is: 9,061,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,760.56 : 31,780,436.09 = 6,040,692.06 : x
  2. Step 2: Convert to fraction form
    21,186,760.56/31,780,436.09 = 6,040,692.06/x
  3. Step 3: Cross multiply
    21,186,760.56x = 31,780,436.09 × 6,040,692.06
  4. Step 4: Simplify right side
    21,186,760.56x = 191,975,827,921,996.97
  5. Step 5: Solve for x
    x = 191,975,827,921,996.97/21,186,760.56
  6. Step 6: Final answer
    x = 9,061,122.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.