Home / 31,381,336.35-43,264,641.09-25,778,536.92

Finding the Fourth Proportional to 31,381,336.35, 43,264,641.09 and 25,778,536.92

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Solution

The fourth proportional to 31,381,336.35, 43,264,641.09 and 25,778,536.92 is: 35,540,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381,336.35 : 43,264,641.09 = 25,778,536.92 : x
  2. Step 2: Convert to fraction form
    31,381,336.35/43,264,641.09 = 25,778,536.92/x
  3. Step 3: Cross multiply
    31,381,336.35x = 43,264,641.09 × 25,778,536.92
  4. Step 4: Simplify right side
    31,381,336.35x = 1,115,299,147,669,114.25
  5. Step 5: Solve for x
    x = 1,115,299,147,669,114.25/31,381,336.35
  6. Step 6: Final answer
    x = 35,540,205.66

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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.