Home / 28,405,853.44-39,200,847.60-17,392,393.60

Finding the Fourth Proportional to 28,405,853.44, 39,200,847.60 and 17,392,393.60

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Solution

The fourth proportional to 28,405,853.44, 39,200,847.60 and 17,392,393.60 is: 24,001,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,853.44 : 39,200,847.60 = 17,392,393.60 : x
  2. Step 2: Convert to fraction form
    28,405,853.44/39,200,847.60 = 17,392,393.60/x
  3. Step 3: Cross multiply
    28,405,853.44x = 39,200,847.60 × 17,392,393.60
  4. Step 4: Simplify right side
    28,405,853.44x = 681,796,570,912,815.50
  5. Step 5: Solve for x
    x = 681,796,570,912,815.50/28,405,853.44
  6. Step 6: Final answer
    x = 24,001,974.54

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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.