Home / 20,025,768.85-27,636,104.41-11,325,242.55

Finding the Fourth Proportional to 20,025,768.85, 27,636,104.41 and 11,325,242.55

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Solution

The fourth proportional to 20,025,768.85, 27,636,104.41 and 11,325,242.55 is: 15,629,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,768.85 : 27,636,104.41 = 11,325,242.55 : x
  2. Step 2: Convert to fraction form
    20,025,768.85/27,636,104.41 = 11,325,242.55/x
  3. Step 3: Cross multiply
    20,025,768.85x = 27,636,104.41 × 11,325,242.55
  4. Step 4: Simplify right side
    20,025,768.85x = 312,985,585,580,374.69
  5. Step 5: Solve for x
    x = 312,985,585,580,374.69/20,025,768.85
  6. Step 6: Final answer
    x = 15,629,142.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.