Home / 8,647,513.81-12,971,805.62-2,890,765.44

Finding the Fourth Proportional to 8,647,513.81, 12,971,805.62 and 2,890,765.44

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Solution

The fourth proportional to 8,647,513.81, 12,971,805.62 and 2,890,765.44 is: 4,336,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,513.81 : 12,971,805.62 = 2,890,765.44 : x
  2. Step 2: Convert to fraction form
    8,647,513.81/12,971,805.62 = 2,890,765.44/x
  3. Step 3: Cross multiply
    8,647,513.81x = 12,971,805.62 × 2,890,765.44
  4. Step 4: Simplify right side
    8,647,513.81x = 37,498,447,366,239.95
  5. Step 5: Solve for x
    x = 37,498,447,366,239.95/8,647,513.81
  6. Step 6: Final answer
    x = 4,336,326.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.