Home / 27,649,447.60-38,158,383-15,261,968.56

Finding the Fourth Proportional to 27,649,447.60, 38,158,383 and 15,261,968.56

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Solution

The fourth proportional to 27,649,447.60, 38,158,383 and 15,261,968.56 is: 21,062,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649,447.60 : 38,158,383 = 15,261,968.56 : x
  2. Step 2: Convert to fraction form
    27,649,447.60/38,158,383 = 15,261,968.56/x
  3. Step 3: Cross multiply
    27,649,447.60x = 38,158,383 × 15,261,968.56
  4. Step 4: Simplify right side
    27,649,447.60x = 582,372,041,646,438.50
  5. Step 5: Solve for x
    x = 582,372,041,646,438.50/27,649,447.60
  6. Step 6: Final answer
    x = 21,062,700.78

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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.