Home / 11,388,939.80-17,084,908.20-4,205,519.60

Finding the Fourth Proportional to 11,388,939.80, 17,084,908.20 and 4,205,519.60

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Solution

The fourth proportional to 11,388,939.80, 17,084,908.20 and 4,205,519.60 is: 6,308,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388,939.80 : 17,084,908.20 = 4,205,519.60 : x
  2. Step 2: Convert to fraction form
    11,388,939.80/17,084,908.20 = 4,205,519.60/x
  3. Step 3: Cross multiply
    11,388,939.80x = 17,084,908.20 × 4,205,519.60
  4. Step 4: Simplify right side
    11,388,939.80x = 71,850,916,299,300.70
  5. Step 5: Solve for x
    x = 71,850,916,299,300.70/11,388,939.80
  6. Step 6: Final answer
    x = 6,308,832.74

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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.