Home / 13,429,579.00-20,129,792.71-8,816,629.43

Finding the Fourth Proportional to 13,429,579.00, 20,129,792.71 and 8,816,629.43

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Solution

The fourth proportional to 13,429,579.00, 20,129,792.71 and 8,816,629.43 is: 13,215,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429,579.00 : 20,129,792.71 = 8,816,629.43 : x
  2. Step 2: Convert to fraction form
    13,429,579.00/20,129,792.71 = 8,816,629.43/x
  3. Step 3: Cross multiply
    13,429,579.00x = 20,129,792.71 × 8,816,629.43
  4. Step 4: Simplify right side
    13,429,579.00x = 177,476,922,758,369.50
  5. Step 5: Solve for x
    x = 177,476,922,758,369.50/13,429,579.00
  6. Step 6: Final answer
    x = 13,215,375.02

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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.