Home / 15,764,936.56-21,755,602.82-8,521,592.56

Finding the Fourth Proportional to 15,764,936.56, 21,755,602.82 and 8,521,592.56

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Solution

The fourth proportional to 15,764,936.56, 21,755,602.82 and 8,521,592.56 is: 11,759,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,936.56 : 21,755,602.82 = 8,521,592.56 : x
  2. Step 2: Convert to fraction form
    15,764,936.56/21,755,602.82 = 8,521,592.56/x
  3. Step 3: Cross multiply
    15,764,936.56x = 21,755,602.82 × 8,521,592.56
  4. Step 4: Simplify right side
    15,764,936.56x = 185,392,383,129,227.03
  5. Step 5: Solve for x
    x = 185,392,383,129,227.03/15,764,936.56
  6. Step 6: Final answer
    x = 11,759,792.53

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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.