Home / 9,381,811.09-12,940,225.01-8,609,934.50

Finding the Fourth Proportional to 9,381,811.09, 12,940,225.01 and 8,609,934.50

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Solution

The fourth proportional to 9,381,811.09, 12,940,225.01 and 8,609,934.50 is: 11,875,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381,811.09 : 12,940,225.01 = 8,609,934.50 : x
  2. Step 2: Convert to fraction form
    9,381,811.09/12,940,225.01 = 8,609,934.50/x
  3. Step 3: Cross multiply
    9,381,811.09x = 12,940,225.01 × 8,609,934.50
  4. Step 4: Simplify right side
    9,381,811.09x = 111,414,489,740,662.73
  5. Step 5: Solve for x
    x = 111,414,489,740,662.73/9,381,811.09
  6. Step 6: Final answer
    x = 11,875,584.43

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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.