Home / 31,530,385.26-43,526,579.31-18,475,832.34

Finding the Fourth Proportional to 31,530,385.26, 43,526,579.31 and 18,475,832.34

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Solution

The fourth proportional to 31,530,385.26, 43,526,579.31 and 18,475,832.34 is: 25,505,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,385.26 : 43,526,579.31 = 18,475,832.34 : x
  2. Step 2: Convert to fraction form
    31,530,385.26/43,526,579.31 = 18,475,832.34/x
  3. Step 3: Cross multiply
    31,530,385.26x = 43,526,579.31 × 18,475,832.34
  4. Step 4: Simplify right side
    31,530,385.26x = 804,189,781,665,272.88
  5. Step 5: Solve for x
    x = 804,189,781,665,272.88/31,530,385.26
  6. Step 6: Final answer
    x = 25,505,231.70

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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.