Home / 18,379,132.84-27,571,693.92-5,426,592.82

Finding the Fourth Proportional to 18,379,132.84, 27,571,693.92 and 5,426,592.82

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Solution

The fourth proportional to 18,379,132.84, 27,571,693.92 and 5,426,592.82 is: 8,140,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,132.84 : 27,571,693.92 = 5,426,592.82 : x
  2. Step 2: Convert to fraction form
    18,379,132.84/27,571,693.92 = 5,426,592.82/x
  3. Step 3: Cross multiply
    18,379,132.84x = 27,571,693.92 × 5,426,592.82
  4. Step 4: Simplify right side
    18,379,132.84x = 149,620,356,261,509.69
  5. Step 5: Solve for x
    x = 149,620,356,261,509.69/18,379,132.84
  6. Step 6: Final answer
    x = 8,140,773.43

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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.