Home / 31,507,902.30-47,261,853.45-12,332,286.30

Finding the Fourth Proportional to 31,507,902.30, 47,261,853.45 and 12,332,286.30

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Solution

The fourth proportional to 31,507,902.30, 47,261,853.45 and 12,332,286.30 is: 18,498,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,902.30 : 47,261,853.45 = 12,332,286.30 : x
  2. Step 2: Convert to fraction form
    31,507,902.30/47,261,853.45 = 12,332,286.30/x
  3. Step 3: Cross multiply
    31,507,902.30x = 47,261,853.45 × 12,332,286.30
  4. Step 4: Simplify right side
    31,507,902.30x = 582,846,707,814,042.75
  5. Step 5: Solve for x
    x = 582,846,707,814,042.75/31,507,902.30
  6. Step 6: Final answer
    x = 18,498,429.45

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1.5x scale

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.