Home / 11,778,871.77-17,668,528.79-3,691,668.15

Finding the Fourth Proportional to 11,778,871.77, 17,668,528.79 and 3,691,668.15

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Solution

The fourth proportional to 11,778,871.77, 17,668,528.79 and 3,691,668.15 is: 5,537,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778,871.77 : 17,668,528.79 = 3,691,668.15 : x
  2. Step 2: Convert to fraction form
    11,778,871.77/17,668,528.79 = 3,691,668.15/x
  3. Step 3: Cross multiply
    11,778,871.77x = 17,668,528.79 × 3,691,668.15
  4. Step 4: Simplify right side
    11,778,871.77x = 65,226,344,972,942.70
  5. Step 5: Solve for x
    x = 65,226,344,972,942.70/11,778,871.77
  6. Step 6: Final answer
    x = 5,537,571.53

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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.