Home / 40,025,848.57-55,235,718.26-21,691,134.07

Finding the Fourth Proportional to 40,025,848.57, 55,235,718.26 and 21,691,134.07

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Solution

The fourth proportional to 40,025,848.57, 55,235,718.26 and 21,691,134.07 is: 29,933,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,848.57 : 55,235,718.26 = 21,691,134.07 : x
  2. Step 2: Convert to fraction form
    40,025,848.57/55,235,718.26 = 21,691,134.07/x
  3. Step 3: Cross multiply
    40,025,848.57x = 55,235,718.26 × 21,691,134.07
  4. Step 4: Simplify right side
    40,025,848.57x = 1,198,125,370,230,407
  5. Step 5: Solve for x
    x = 1,198,125,370,230,407/40,025,848.57
  6. Step 6: Final answer
    x = 29,933,790.61

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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.