Home / 38,247,497.85-52,780,007.20-20,843,469.39

Finding the Fourth Proportional to 38,247,497.85, 52,780,007.20 and 20,843,469.39

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Solution

The fourth proportional to 38,247,497.85, 52,780,007.20 and 20,843,469.39 is: 28,763,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,497.85 : 52,780,007.20 = 20,843,469.39 : x
  2. Step 2: Convert to fraction form
    38,247,497.85/52,780,007.20 = 20,843,469.39/x
  3. Step 3: Cross multiply
    38,247,497.85x = 52,780,007.20 × 20,843,469.39
  4. Step 4: Simplify right side
    38,247,497.85x = 1,100,118,464,477,179.75
  5. Step 5: Solve for x
    x = 1,100,118,464,477,179.75/38,247,497.85
  6. Step 6: Final answer
    x = 28,763,148.61

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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.