Home / 30,379,687.42-41,915,678.16-17,322,184.48

Finding the Fourth Proportional to 30,379,687.42, 41,915,678.16 and 17,322,184.48

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Solution

The fourth proportional to 30,379,687.42, 41,915,678.16 and 17,322,184.48 is: 23,899,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379,687.42 : 41,915,678.16 = 17,322,184.48 : x
  2. Step 2: Convert to fraction form
    30,379,687.42/41,915,678.16 = 17,322,184.48/x
  3. Step 3: Cross multiply
    30,379,687.42x = 41,915,678.16 × 17,322,184.48
  4. Step 4: Simplify right side
    30,379,687.42x = 726,071,109,691,826.88
  5. Step 5: Solve for x
    x = 726,071,109,691,826.88/30,379,687.42
  6. Step 6: Final answer
    x = 23,899,887.44

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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.