Home / 31,589,268.40-47,386,793.94-8,870,012.56

Finding the Fourth Proportional to 31,589,268.40, 47,386,793.94 and 8,870,012.56

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Solution

The fourth proportional to 31,589,268.40, 47,386,793.94 and 8,870,012.56 is: 13,305,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,268.40 : 47,386,793.94 = 8,870,012.56 : x
  2. Step 2: Convert to fraction form
    31,589,268.40/47,386,793.94 = 8,870,012.56/x
  3. Step 3: Cross multiply
    31,589,268.40x = 47,386,793.94 × 8,870,012.56
  4. Step 4: Simplify right side
    31,589,268.40x = 420,321,457,425,931.88
  5. Step 5: Solve for x
    x = 420,321,457,425,931.88/31,589,268.40
  6. Step 6: Final answer
    x = 13,305,830.71

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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.