Home / 20,027,862.56-27,638,450.34-10,860,512.60

Finding the Fourth Proportional to 20,027,862.56, 27,638,450.34 and 10,860,512.60

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Solution

The fourth proportional to 20,027,862.56, 27,638,450.34 and 10,860,512.60 is: 14,987,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,862.56 : 27,638,450.34 = 10,860,512.60 : x
  2. Step 2: Convert to fraction form
    20,027,862.56/27,638,450.34 = 10,860,512.60/x
  3. Step 3: Cross multiply
    20,027,862.56x = 27,638,450.34 × 10,860,512.60
  4. Step 4: Simplify right side
    20,027,862.56x = 300,167,738,190,413.44
  5. Step 5: Solve for x
    x = 300,167,738,190,413.44/20,027,862.56
  6. Step 6: Final answer
    x = 14,987,507.39

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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.