Home / 12,756,821.48-17,594,447.46-8,173,589.48

Finding the Fourth Proportional to 12,756,821.48, 17,594,447.46 and 8,173,589.48

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Solution

The fourth proportional to 12,756,821.48, 17,594,447.46 and 8,173,589.48 is: 11,273,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,821.48 : 17,594,447.46 = 8,173,589.48 : x
  2. Step 2: Convert to fraction form
    12,756,821.48/17,594,447.46 = 8,173,589.48/x
  3. Step 3: Cross multiply
    12,756,821.48x = 17,594,447.46 × 8,173,589.48
  4. Step 4: Simplify right side
    12,756,821.48x = 143,809,790,665,468.75
  5. Step 5: Solve for x
    x = 143,809,790,665,468.75/12,756,821.48
  6. Step 6: Final answer
    x = 11,273,167.92

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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.