Home / 31,384,886.43-47,058,073.09-12,193,239.72

Finding the Fourth Proportional to 31,384,886.43, 47,058,073.09 and 12,193,239.72

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Solution

The fourth proportional to 31,384,886.43, 47,058,073.09 and 12,193,239.72 is: 18,282,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,886.43 : 47,058,073.09 = 12,193,239.72 : x
  2. Step 2: Convert to fraction form
    31,384,886.43/47,058,073.09 = 12,193,239.72/x
  3. Step 3: Cross multiply
    31,384,886.43x = 47,058,073.09 × 12,193,239.72
  4. Step 4: Simplify right side
    31,384,886.43x = 573,790,365,947,651.25
  5. Step 5: Solve for x
    x = 573,790,365,947,651.25/31,384,886.43
  6. Step 6: Final answer
    x = 18,282,378.28

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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.