Home / 6,464,067.30-8,920,439.82-3,563,394.53

Finding the Fourth Proportional to 6,464,067.30, 8,920,439.82 and 3,563,394.53

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Solution

The fourth proportional to 6,464,067.30, 8,920,439.82 and 3,563,394.53 is: 4,917,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,067.30 : 8,920,439.82 = 3,563,394.53 : x
  2. Step 2: Convert to fraction form
    6,464,067.30/8,920,439.82 = 3,563,394.53/x
  3. Step 3: Cross multiply
    6,464,067.30x = 8,920,439.82 × 3,563,394.53
  4. Step 4: Simplify right side
    6,464,067.30x = 31,787,046,415,179.98
  5. Step 5: Solve for x
    x = 31,787,046,415,179.98/6,464,067.30
  6. Step 6: Final answer
    x = 4,917,499.30

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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.