Home / 12,529,771.20-18,794,656.80-4,010,385.60

Finding the Fourth Proportional to 12,529,771.20, 18,794,656.80 and 4,010,385.60

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Solution

The fourth proportional to 12,529,771.20, 18,794,656.80 and 4,010,385.60 is: 6,015,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,771.20 : 18,794,656.80 = 4,010,385.60 : x
  2. Step 2: Convert to fraction form
    12,529,771.20/18,794,656.80 = 4,010,385.60/x
  3. Step 3: Cross multiply
    12,529,771.20x = 18,794,656.80 × 4,010,385.60
  4. Step 4: Simplify right side
    12,529,771.20x = 75,373,820,987,662.08
  5. Step 5: Solve for x
    x = 75,373,820,987,662.08/12,529,771.20
  6. Step 6: Final answer
    x = 6,015,578.40

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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.