Home / 11,517,940.80-15,894,454.08-6,361,191.36

Finding the Fourth Proportional to 11,517,940.80, 15,894,454.08 and 6,361,191.36

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Solution

The fourth proportional to 11,517,940.80, 15,894,454.08 and 6,361,191.36 is: 8,778,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517,940.80 : 15,894,454.08 = 6,361,191.36 : x
  2. Step 2: Convert to fraction form
    11,517,940.80/15,894,454.08 = 6,361,191.36/x
  3. Step 3: Cross multiply
    11,517,940.80x = 15,894,454.08 × 6,361,191.36
  4. Step 4: Simplify right side
    11,517,940.80x = 101,107,663,965,612.75
  5. Step 5: Solve for x
    x = 101,107,663,965,612.75/11,517,940.80
  6. Step 6: Final answer
    x = 8,778,276.06

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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.