Home / 12,513,396.84-18,777,195.82-6,756,053.80

Finding the Fourth Proportional to 12,513,396.84, 18,777,195.82 and 6,756,053.80

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Solution

The fourth proportional to 12,513,396.84, 18,777,195.82 and 6,756,053.80 is: 10,137,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,396.84 : 18,777,195.82 = 6,756,053.80 : x
  2. Step 2: Convert to fraction form
    12,513,396.84/18,777,195.82 = 6,756,053.80/x
  3. Step 3: Cross multiply
    12,513,396.84x = 18,777,195.82 × 6,756,053.80
  4. Step 4: Simplify right side
    12,513,396.84x = 126,859,745,173,055.11
  5. Step 5: Solve for x
    x = 126,859,745,173,055.11/12,513,396.84
  6. Step 6: Final answer
    x = 10,137,914.33

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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.