Home / 12,513,408.84-18,777,213.82-6,756,065.80

Finding the Fourth Proportional to 12,513,408.84, 18,777,213.82 and 6,756,065.80

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Solution

The fourth proportional to 12,513,408.84, 18,777,213.82 and 6,756,065.80 is: 10,137,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,408.84 : 18,777,213.82 = 6,756,065.80 : x
  2. Step 2: Convert to fraction form
    12,513,408.84/18,777,213.82 = 6,756,065.80/x
  3. Step 3: Cross multiply
    12,513,408.84x = 18,777,213.82 × 6,756,065.80
  4. Step 4: Simplify right side
    12,513,408.84x = 126,860,092,108,589.36
  5. Step 5: Solve for x
    x = 126,860,092,108,589.36/12,513,408.84
  6. Step 6: Final answer
    x = 10,137,932.34

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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.