Home / 7,168,709.60-10,753,064.40-6,505,157.60

Finding the Fourth Proportional to 7,168,709.60, 10,753,064.40 and 6,505,157.60

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Solution

The fourth proportional to 7,168,709.60, 10,753,064.40 and 6,505,157.60 is: 9,757,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,709.60 : 10,753,064.40 = 6,505,157.60 : x
  2. Step 2: Convert to fraction form
    7,168,709.60/10,753,064.40 = 6,505,157.60/x
  3. Step 3: Cross multiply
    7,168,709.60x = 10,753,064.40 × 6,505,157.60
  4. Step 4: Simplify right side
    7,168,709.60x = 69,950,378,604,949.44
  5. Step 5: Solve for x
    x = 69,950,378,604,949.44/7,168,709.60
  6. Step 6: Final answer
    x = 9,757,736.40

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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.