Home / 11,378,858.10-17,068,287.15-11,189,901.30

Finding the Fourth Proportional to 11,378,858.10, 17,068,287.15 and 11,189,901.30

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Solution

The fourth proportional to 11,378,858.10, 17,068,287.15 and 11,189,901.30 is: 16,784,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378,858.10 : 17,068,287.15 = 11,189,901.30 : x
  2. Step 2: Convert to fraction form
    11,378,858.10/17,068,287.15 = 11,189,901.30/x
  3. Step 3: Cross multiply
    11,378,858.10x = 17,068,287.15 × 11,189,901.30
  4. Step 4: Simplify right side
    11,378,858.10x = 190,992,448,568,558.28
  5. Step 5: Solve for x
    x = 190,992,448,568,558.28/11,378,858.10
  6. Step 6: Final answer
    x = 16,784,851.95

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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.