Home / 40,145,431.42-55,388,490.15-22,739,010.94

Finding the Fourth Proportional to 40,145,431.42, 55,388,490.15 and 22,739,010.94

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Solution

The fourth proportional to 40,145,431.42, 55,388,490.15 and 22,739,010.94 is: 31,372,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145,431.42 : 55,388,490.15 = 22,739,010.94 : x
  2. Step 2: Convert to fraction form
    40,145,431.42/55,388,490.15 = 22,739,010.94/x
  3. Step 3: Cross multiply
    40,145,431.42x = 55,388,490.15 × 22,739,010.94
  4. Step 4: Simplify right side
    40,145,431.42x = 1,259,479,483,470,932.25
  5. Step 5: Solve for x
    x = 1,259,479,483,470,932.25/40,145,431.42
  6. Step 6: Final answer
    x = 31,372,921.87

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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.