Home / 13,607,401.82-20,400,839.82-8,214,770.52

Finding the Fourth Proportional to 13,607,401.82, 20,400,839.82 and 8,214,770.52

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Solution

The fourth proportional to 13,607,401.82, 20,400,839.82 and 8,214,770.52 is: 12,315,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607,401.82 : 20,400,839.82 = 8,214,770.52 : x
  2. Step 2: Convert to fraction form
    13,607,401.82/20,400,839.82 = 8,214,770.52/x
  3. Step 3: Cross multiply
    13,607,401.82x = 20,400,839.82 × 8,214,770.52
  4. Step 4: Simplify right side
    13,607,401.82x = 167,588,217,536,578.09
  5. Step 5: Solve for x
    x = 167,588,217,536,578.09/13,607,401.82
  6. Step 6: Final answer
    x = 12,315,960.08

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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.