Home / 13,962,169.20-19,259,920.74-8,378,987.82

Finding the Fourth Proportional to 13,962,169.20, 19,259,920.74 and 8,378,987.82

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Solution

The fourth proportional to 13,962,169.20, 19,259,920.74 and 8,378,987.82 is: 11,558,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962,169.20 : 19,259,920.74 = 8,378,987.82 : x
  2. Step 2: Convert to fraction form
    13,962,169.20/19,259,920.74 = 8,378,987.82/x
  3. Step 3: Cross multiply
    13,962,169.20x = 19,259,920.74 × 8,378,987.82
  4. Step 4: Simplify right side
    13,962,169.20x = 161,378,641,294,625.38
  5. Step 5: Solve for x
    x = 161,378,641,294,625.38/13,962,169.20
  6. Step 6: Final answer
    x = 11,558,278.59

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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.