Home / 5,325,012.35-7,987,518.53-3,193,999.55

Finding the Fourth Proportional to 5,325,012.35, 7,987,518.53 and 3,193,999.55

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Solution

The fourth proportional to 5,325,012.35, 7,987,518.53 and 3,193,999.55 is: 4,790,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,012.35 : 7,987,518.53 = 3,193,999.55 : x
  2. Step 2: Convert to fraction form
    5,325,012.35/7,987,518.53 = 3,193,999.55/x
  3. Step 3: Cross multiply
    5,325,012.35x = 7,987,518.53 × 3,193,999.55
  4. Step 4: Simplify right side
    5,325,012.35x = 25,512,130,574,466.66
  5. Step 5: Solve for x
    x = 25,512,130,574,466.66/5,325,012.35
  6. Step 6: Final answer
    x = 4,790,999.33

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Similar ratio
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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.