Home / 13,600,396.08-20,400,572.25-9,327,610.44

Finding the Fourth Proportional to 13,600,396.08, 20,400,572.25 and 9,327,610.44

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Solution

The fourth proportional to 13,600,396.08, 20,400,572.25 and 9,327,610.44 is: 13,991,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600,396.08 : 20,400,572.25 = 9,327,610.44 : x
  2. Step 2: Convert to fraction form
    13,600,396.08/20,400,572.25 = 9,327,610.44/x
  3. Step 3: Cross multiply
    13,600,396.08x = 20,400,572.25 × 9,327,610.44
  4. Step 4: Simplify right side
    13,600,396.08x = 190,288,590,701,074.28
  5. Step 5: Solve for x
    x = 190,288,590,701,074.28/13,600,396.08
  6. Step 6: Final answer
    x = 13,991,400.66

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1.5x scale

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.