Home / 31,422,853.44-43,362,856.80-18,192,588.48

Finding the Fourth Proportional to 31,422,853.44, 43,362,856.80 and 18,192,588.48

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Solution

The fourth proportional to 31,422,853.44, 43,362,856.80 and 18,192,588.48 is: 25,105,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422,853.44 : 43,362,856.80 = 18,192,588.48 : x
  2. Step 2: Convert to fraction form
    31,422,853.44/43,362,856.80 = 18,192,588.48/x
  3. Step 3: Cross multiply
    31,422,853.44x = 43,362,856.80 × 18,192,588.48
  4. Step 4: Simplify right side
    31,422,853.44x = 788,882,609,079,569.62
  5. Step 5: Solve for x
    x = 788,882,609,079,569.62/31,422,853.44
  6. Step 6: Final answer
    x = 25,105,377.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.