Home / 31,589,270.40-47,386,796.94-8,870,014.56

Finding the Fourth Proportional to 31,589,270.40, 47,386,796.94 and 8,870,014.56

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Solution

The fourth proportional to 31,589,270.40, 47,386,796.94 and 8,870,014.56 is: 13,305,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,270.40 : 47,386,796.94 = 8,870,014.56 : x
  2. Step 2: Convert to fraction form
    31,589,270.40/47,386,796.94 = 8,870,014.56/x
  3. Step 3: Cross multiply
    31,589,270.40x = 47,386,796.94 × 8,870,014.56
  4. Step 4: Simplify right side
    31,589,270.40x = 420,321,578,809,563.44
  5. Step 5: Solve for x
    x = 420,321,578,809,563.44/31,589,270.40
  6. Step 6: Final answer
    x = 13,305,833.71

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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.