Home / 26,859,560.80-40,203,610.80-21,190,856.80

Finding the Fourth Proportional to 26,859,560.80, 40,203,610.80 and 21,190,856.80

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Solution

The fourth proportional to 26,859,560.80, 40,203,610.80 and 21,190,856.80 is: 31,718,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859,560.80 : 40,203,610.80 = 21,190,856.80 : x
  2. Step 2: Convert to fraction form
    26,859,560.80/40,203,610.80 = 21,190,856.80/x
  3. Step 3: Cross multiply
    26,859,560.80x = 40,203,610.80 × 21,190,856.80
  4. Step 4: Simplify right side
    26,859,560.80x = 851,948,959,305,733.38
  5. Step 5: Solve for x
    x = 851,948,959,305,733.38/26,859,560.80
  6. Step 6: Final answer
    x = 31,718,648.18

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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.