Home / 40,728,991.88-61,081,529.78-11,968,289.48

Finding the Fourth Proportional to 40,728,991.88, 61,081,529.78 and 11,968,289.48

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Solution

The fourth proportional to 40,728,991.88, 61,081,529.78 and 11,968,289.48 is: 17,948,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728,991.88 : 61,081,529.78 = 11,968,289.48 : x
  2. Step 2: Convert to fraction form
    40,728,991.88/61,081,529.78 = 11,968,289.48/x
  3. Step 3: Cross multiply
    40,728,991.88x = 61,081,529.78 × 11,968,289.48
  4. Step 4: Simplify right side
    40,728,991.88x = 731,041,429,923,031.62
  5. Step 5: Solve for x
    x = 731,041,429,923,031.62/40,728,991.88
  6. Step 6: Final answer
    x = 17,948,920.32

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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.