Home / 31,945,446.37-47,899,015.61-15,518,382.60

Finding the Fourth Proportional to 31,945,446.37, 47,899,015.61 and 15,518,382.60

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Solution

The fourth proportional to 31,945,446.37, 47,899,015.61 and 15,518,382.60 is: 23,268,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945,446.37 : 47,899,015.61 = 15,518,382.60 : x
  2. Step 2: Convert to fraction form
    31,945,446.37/47,899,015.61 = 15,518,382.60/x
  3. Step 3: Cross multiply
    31,945,446.37x = 47,899,015.61 × 15,518,382.60
  4. Step 4: Simplify right side
    31,945,446.37x = 743,315,250,321,760.38
  5. Step 5: Solve for x
    x = 743,315,250,321,760.38/31,945,446.37
  6. Step 6: Final answer
    x = 23,268,269.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.