Home / 18,379,132.98-27,571,694.12-5,426,592.94

Finding the Fourth Proportional to 18,379,132.98, 27,571,694.12 and 5,426,592.94

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Solution

The fourth proportional to 18,379,132.98, 27,571,694.12 and 5,426,592.94 is: 8,140,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,132.98 : 27,571,694.12 = 5,426,592.94 : x
  2. Step 2: Convert to fraction form
    18,379,132.98/27,571,694.12 = 5,426,592.94/x
  3. Step 3: Cross multiply
    18,379,132.98x = 27,571,694.12 × 5,426,592.94
  4. Step 4: Simplify right side
    18,379,132.98x = 149,620,360,683,112.88
  5. Step 5: Solve for x
    x = 149,620,360,683,112.88/18,379,132.98
  6. Step 6: Final answer
    x = 8,140,773.61

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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.