Home / 13,523,420.39-20,284,846.09-3,288,332.66

Finding the Fourth Proportional to 13,523,420.39, 20,284,846.09 and 3,288,332.66

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Solution

The fourth proportional to 13,523,420.39, 20,284,846.09 and 3,288,332.66 is: 4,932,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,420.39 : 20,284,846.09 = 3,288,332.66 : x
  2. Step 2: Convert to fraction form
    13,523,420.39/20,284,846.09 = 3,288,332.66/x
  3. Step 3: Cross multiply
    13,523,420.39x = 20,284,846.09 × 3,288,332.66
  4. Step 4: Simplify right side
    13,523,420.39x = 66,703,321,799,396.06
  5. Step 5: Solve for x
    x = 66,703,321,799,396.06/13,523,420.39
  6. Step 6: Final answer
    x = 4,932,429.81

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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.