Home / 30,374,876.88-45,555,135.48-11,195,217.36

Finding the Fourth Proportional to 30,374,876.88, 45,555,135.48 and 11,195,217.36

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Solution

The fourth proportional to 30,374,876.88, 45,555,135.48 and 11,195,217.36 is: 16,790,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374,876.88 : 45,555,135.48 = 11,195,217.36 : x
  2. Step 2: Convert to fraction form
    30,374,876.88/45,555,135.48 = 11,195,217.36/x
  3. Step 3: Cross multiply
    30,374,876.88x = 45,555,135.48 × 11,195,217.36
  4. Step 4: Simplify right side
    30,374,876.88x = 509,999,643,562,847.88
  5. Step 5: Solve for x
    x = 509,999,643,562,847.88/30,374,876.88
  6. Step 6: Final answer
    x = 16,790,179.78

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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.