Home / 13,860,255.45-20,788,794.78-3,626,102.84

Finding the Fourth Proportional to 13,860,255.45, 20,788,794.78 and 3,626,102.84

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Solution

The fourth proportional to 13,860,255.45, 20,788,794.78 and 3,626,102.84 is: 5,438,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,255.45 : 20,788,794.78 = 3,626,102.84 : x
  2. Step 2: Convert to fraction form
    13,860,255.45/20,788,794.78 = 3,626,102.84/x
  3. Step 3: Cross multiply
    13,860,255.45x = 20,788,794.78 × 3,626,102.84
  4. Step 4: Simplify right side
    13,860,255.45x = 75,382,307,687,991.20
  5. Step 5: Solve for x
    x = 75,382,307,687,991.20/13,860,255.45
  6. Step 6: Final answer
    x = 5,438,738.70

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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.