Home / 13,627,578.45-20,441,367.67-5,538,658.91

Finding the Fourth Proportional to 13,627,578.45, 20,441,367.67 and 5,538,658.91

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Solution

The fourth proportional to 13,627,578.45, 20,441,367.67 and 5,538,658.91 is: 8,307,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627,578.45 : 20,441,367.67 = 5,538,658.91 : x
  2. Step 2: Convert to fraction form
    13,627,578.45/20,441,367.67 = 5,538,658.91/x
  3. Step 3: Cross multiply
    13,627,578.45x = 20,441,367.67 × 5,538,658.91
  4. Step 4: Simplify right side
    13,627,578.45x = 113,217,763,113,081.38
  5. Step 5: Solve for x
    x = 113,217,763,113,081.38/13,627,578.45
  6. Step 6: Final answer
    x = 8,307,988.36

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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.