Home / 49,586,016-68,415,993.72-28,947,602.64

Finding the Fourth Proportional to 49,586,016, 68,415,993.72 and 28,947,602.64

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Solution

The fourth proportional to 49,586,016, 68,415,993.72 and 28,947,602.64 is: 39,940,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,586,016 : 68,415,993.72 = 28,947,602.64 : x
  2. Step 2: Convert to fraction form
    49,586,016/68,415,993.72 = 28,947,602.64/x
  3. Step 3: Cross multiply
    49,586,016x = 68,415,993.72 × 28,947,602.64
  4. Step 4: Simplify right side
    49,586,016x = 1,980,479,000,427,295.50
  5. Step 5: Solve for x
    x = 1,980,479,000,427,295.50/49,586,016
  6. Step 6: Final answer
    x = 39,940,272.69

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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.