Home / 11,005,890-15,188,128.20-6,176,994

Finding the Fourth Proportional to 11,005,890, 15,188,128.20 and 6,176,994

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Solution

The fourth proportional to 11,005,890, 15,188,128.20 and 6,176,994 is: 8,524,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,890 : 15,188,128.20 = 6,176,994 : x
  2. Step 2: Convert to fraction form
    11,005,890/15,188,128.20 = 6,176,994/x
  3. Step 3: Cross multiply
    11,005,890x = 15,188,128.20 × 6,176,994
  4. Step 4: Simplify right side
    11,005,890x = 93,816,976,762,630.80
  5. Step 5: Solve for x
    x = 93,816,976,762,630.80/11,005,890
  6. Step 6: Final answer
    x = 8,524,251.72

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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.