Home / 40,099,838.82-55,336,295.79-21,764,730.66

Finding the Fourth Proportional to 40,099,838.82, 55,336,295.79 and 21,764,730.66

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Solution

The fourth proportional to 40,099,838.82, 55,336,295.79 and 21,764,730.66 is: 30,034,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,838.82 : 55,336,295.79 = 21,764,730.66 : x
  2. Step 2: Convert to fraction form
    40,099,838.82/55,336,295.79 = 21,764,730.66/x
  3. Step 3: Cross multiply
    40,099,838.82x = 55,336,295.79 × 21,764,730.66
  4. Step 4: Simplify right side
    40,099,838.82x = 1,204,379,573,591,442
  5. Step 5: Solve for x
    x = 1,204,379,573,591,442/40,099,838.82
  6. Step 6: Final answer
    x = 30,034,524.05

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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.