Home / 11,123,138.80-16,684,708.20-9,863,426.80

Finding the Fourth Proportional to 11,123,138.80, 16,684,708.20 and 9,863,426.80

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Solution

The fourth proportional to 11,123,138.80, 16,684,708.20 and 9,863,426.80 is: 14,795,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123,138.80 : 16,684,708.20 = 9,863,426.80 : x
  2. Step 2: Convert to fraction form
    11,123,138.80/16,684,708.20 = 9,863,426.80/x
  3. Step 3: Cross multiply
    11,123,138.80x = 16,684,708.20 × 9,863,426.80
  4. Step 4: Simplify right side
    11,123,138.80x = 164,568,398,010,059.75
  5. Step 5: Solve for x
    x = 164,568,398,010,059.75/11,123,138.80
  6. Step 6: Final answer
    x = 14,795,140.20

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Double scale
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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.