Home / 13,512,338.24-18,647,328.48-7,711,004.48

Finding the Fourth Proportional to 13,512,338.24, 18,647,328.48 and 7,711,004.48

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Solution

The fourth proportional to 13,512,338.24, 18,647,328.48 and 7,711,004.48 is: 10,641,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,338.24 : 18,647,328.48 = 7,711,004.48 : x
  2. Step 2: Convert to fraction form
    13,512,338.24/18,647,328.48 = 7,711,004.48/x
  3. Step 3: Cross multiply
    13,512,338.24x = 18,647,328.48 × 7,711,004.48
  4. Step 4: Simplify right side
    13,512,338.24x = 143,789,633,449,311.59
  5. Step 5: Solve for x
    x = 143,789,633,449,311.59/13,512,338.24
  6. Step 6: Final answer
    x = 10,641,358.36

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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.