Home / 11,281,719.40-15,568,954.98-6,386,813.80

Finding the Fourth Proportional to 11,281,719.40, 15,568,954.98 and 6,386,813.80

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Solution

The fourth proportional to 11,281,719.40, 15,568,954.98 and 6,386,813.80 is: 8,813,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281,719.40 : 15,568,954.98 = 6,386,813.80 : x
  2. Step 2: Convert to fraction form
    11,281,719.40/15,568,954.98 = 6,386,813.80/x
  3. Step 3: Cross multiply
    11,281,719.40x = 15,568,954.98 × 6,386,813.80
  4. Step 4: Simplify right side
    11,281,719.40x = 99,436,016,517,842.72
  5. Step 5: Solve for x
    x = 99,436,016,517,842.72/11,281,719.40
  6. Step 6: Final answer
    x = 8,813,906.20

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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.