Home / 47,986,906.19-72,009,589.14-17,278,917.21

Finding the Fourth Proportional to 47,986,906.19, 72,009,589.14 and 17,278,917.21

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Solution

The fourth proportional to 47,986,906.19, 72,009,589.14 and 17,278,917.21 is: 25,928,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986,906.19 : 72,009,589.14 = 17,278,917.21 : x
  2. Step 2: Convert to fraction form
    47,986,906.19/72,009,589.14 = 17,278,917.21/x
  3. Step 3: Cross multiply
    47,986,906.19x = 72,009,589.14 × 17,278,917.21
  4. Step 4: Simplify right side
    47,986,906.19x = 1,244,247,729,076,175.25
  5. Step 5: Solve for x
    x = 1,244,247,729,076,175.25/47,986,906.19
  6. Step 6: Final answer
    x = 25,928,900.78

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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.