Home / 31,256,697.42-43,149,236.76-21,972,226.32

Finding the Fourth Proportional to 31,256,697.42, 43,149,236.76 and 21,972,226.32

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Solution

The fourth proportional to 31,256,697.42, 43,149,236.76 and 21,972,226.32 is: 30,332,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256,697.42 : 43,149,236.76 = 21,972,226.32 : x
  2. Step 2: Convert to fraction form
    31,256,697.42/43,149,236.76 = 21,972,226.32/x
  3. Step 3: Cross multiply
    31,256,697.42x = 43,149,236.76 × 21,972,226.32
  4. Step 4: Simplify right side
    31,256,697.42x = 948,084,795,625,983.50
  5. Step 5: Solve for x
    x = 948,084,795,625,983.50/31,256,697.42
  6. Step 6: Final answer
    x = 30,332,212.74

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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.