Home / 26,858,785.30-40,202,447.55-21,190,081.30

Finding the Fourth Proportional to 26,858,785.30, 40,202,447.55 and 21,190,081.30

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Solution

The fourth proportional to 26,858,785.30, 40,202,447.55 and 21,190,081.30 is: 31,717,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858,785.30 : 40,202,447.55 = 21,190,081.30 : x
  2. Step 2: Convert to fraction form
    26,858,785.30/40,202,447.55 = 21,190,081.30/x
  3. Step 3: Cross multiply
    26,858,785.30x = 40,202,447.55 × 21,190,081.30
  4. Step 4: Simplify right side
    26,858,785.30x = 851,893,132,043,485.75
  5. Step 5: Solve for x
    x = 851,893,132,043,485.75/26,858,785.30
  6. Step 6: Final answer
    x = 31,717,485.45

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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.