Home / 40,073,642.06-55,301,732.51-21,738,927.56

Finding the Fourth Proportional to 40,073,642.06, 55,301,732.51 and 21,738,927.56

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Solution

The fourth proportional to 40,073,642.06, 55,301,732.51 and 21,738,927.56 is: 29,999,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,642.06 : 55,301,732.51 = 21,738,927.56 : x
  2. Step 2: Convert to fraction form
    40,073,642.06/55,301,732.51 = 21,738,927.56/x
  3. Step 3: Cross multiply
    40,073,642.06x = 55,301,732.51 × 21,738,927.56
  4. Step 4: Simplify right side
    40,073,642.06x = 1,202,200,356,592,183.75
  5. Step 5: Solve for x
    x = 1,202,200,356,592,183.75/40,073,642.06
  6. Step 6: Final answer
    x = 29,999,777.78

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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.