Home / 40,099,838.32-55,336,295.10-21,764,730.16

Finding the Fourth Proportional to 40,099,838.32, 55,336,295.10 and 21,764,730.16

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Solution

The fourth proportional to 40,099,838.32, 55,336,295.10 and 21,764,730.16 is: 30,034,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,838.32 : 55,336,295.10 = 21,764,730.16 : x
  2. Step 2: Convert to fraction form
    40,099,838.32/55,336,295.10 = 21,764,730.16/x
  3. Step 3: Cross multiply
    40,099,838.32x = 55,336,295.10 × 21,764,730.16
  4. Step 4: Simplify right side
    40,099,838.32x = 1,204,379,530,905,630.25
  5. Step 5: Solve for x
    x = 1,204,379,530,905,630.25/40,099,838.32
  6. Step 6: Final answer
    x = 30,034,523.36

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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.