Home / 25,917,746.40-38,861,578.94-12,270,778.21

Finding the Fourth Proportional to 25,917,746.40, 38,861,578.94 and 12,270,778.21

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Solution

The fourth proportional to 25,917,746.40, 38,861,578.94 and 12,270,778.21 is: 18,399,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917,746.40 : 38,861,578.94 = 12,270,778.21 : x
  2. Step 2: Convert to fraction form
    25,917,746.40/38,861,578.94 = 12,270,778.21/x
  3. Step 3: Cross multiply
    25,917,746.40x = 38,861,578.94 × 12,270,778.21
  4. Step 4: Simplify right side
    25,917,746.40x = 476,861,816,063,146.88
  5. Step 5: Solve for x
    x = 476,861,816,063,146.88/25,917,746.40
  6. Step 6: Final answer
    x = 18,399,046.30

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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.