Home / 27,649,439.60-38,158,371.96-15,261,960.56

Finding the Fourth Proportional to 27,649,439.60, 38,158,371.96 and 15,261,960.56

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Solution

The fourth proportional to 27,649,439.60, 38,158,371.96 and 15,261,960.56 is: 21,062,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649,439.60 : 38,158,371.96 = 15,261,960.56 : x
  2. Step 2: Convert to fraction form
    27,649,439.60/38,158,371.96 = 15,261,960.56/x
  3. Step 3: Cross multiply
    27,649,439.60x = 38,158,371.96 × 15,261,960.56
  4. Step 4: Simplify right side
    27,649,439.60x = 582,371,567,887,329.88
  5. Step 5: Solve for x
    x = 582,371,567,887,329.88/27,649,439.60
  6. Step 6: Final answer
    x = 21,062,689.74

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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.