Home / 13,187,768.24-18,208,007.13-8,233,760.05

Finding the Fourth Proportional to 13,187,768.24, 18,208,007.13 and 8,233,760.05

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Solution

The fourth proportional to 13,187,768.24, 18,208,007.13 and 8,233,760.05 is: 11,368,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,768.24 : 18,208,007.13 = 8,233,760.05 : x
  2. Step 2: Convert to fraction form
    13,187,768.24/18,208,007.13 = 8,233,760.05/x
  3. Step 3: Cross multiply
    13,187,768.24x = 18,208,007.13 × 8,233,760.05
  4. Step 4: Simplify right side
    13,187,768.24x = 149,920,361,606,069.12
  5. Step 5: Solve for x
    x = 149,920,361,606,069.12/13,187,768.24
  6. Step 6: Final answer
    x = 11,368,137.42

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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.