Home / 18,379,922.70-27,569,884.05-11,577,477.90

Finding the Fourth Proportional to 18,379,922.70, 27,569,884.05 and 11,577,477.90

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Solution

The fourth proportional to 18,379,922.70, 27,569,884.05 and 11,577,477.90 is: 17,366,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,922.70 : 27,569,884.05 = 11,577,477.90 : x
  2. Step 2: Convert to fraction form
    18,379,922.70/27,569,884.05 = 11,577,477.90/x
  3. Step 3: Cross multiply
    18,379,922.70x = 27,569,884.05 × 11,577,477.90
  4. Step 4: Simplify right side
    18,379,922.70x = 319,189,723,294,437.50
  5. Step 5: Solve for x
    x = 319,189,723,294,437.50/18,379,922.70
  6. Step 6: Final answer
    x = 17,366,216.85

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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.