Home / 21,393,504.90-29,522,819.70-11,603,738.85

Finding the Fourth Proportional to 21,393,504.90, 29,522,819.70 and 11,603,738.85

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Solution

The fourth proportional to 21,393,504.90, 29,522,819.70 and 11,603,738.85 is: 16,013,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393,504.90 : 29,522,819.70 = 11,603,738.85 : x
  2. Step 2: Convert to fraction form
    21,393,504.90/29,522,819.70 = 11,603,738.85/x
  3. Step 3: Cross multiply
    21,393,504.90x = 29,522,819.70 × 11,603,738.85
  4. Step 4: Simplify right side
    21,393,504.90x = 342,575,089,914,435.31
  5. Step 5: Solve for x
    x = 342,575,089,914,435.31/21,393,504.90
  6. Step 6: Final answer
    x = 16,013,041.88

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1.5x scale

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.