Home / 6,787,891.31-9,367,326.72-3,997,135.73

Finding the Fourth Proportional to 6,787,891.31, 9,367,326.72 and 3,997,135.73

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Solution

The fourth proportional to 6,787,891.31, 9,367,326.72 and 3,997,135.73 is: 5,516,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,891.31 : 9,367,326.72 = 3,997,135.73 : x
  2. Step 2: Convert to fraction form
    6,787,891.31/9,367,326.72 = 3,997,135.73/x
  3. Step 3: Cross multiply
    6,787,891.31x = 9,367,326.72 × 3,997,135.73
  4. Step 4: Simplify right side
    6,787,891.31x = 37,442,476,280,259.08
  5. Step 5: Solve for x
    x = 37,442,476,280,259.08/6,787,891.31
  6. Step 6: Final answer
    x = 5,516,068.92

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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.