Home / 7,667,998.10-11,501,997.15-7,618,231.70

Finding the Fourth Proportional to 7,667,998.10, 11,501,997.15 and 7,618,231.70

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Solution

The fourth proportional to 7,667,998.10, 11,501,997.15 and 7,618,231.70 is: 11,427,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667,998.10 : 11,501,997.15 = 7,618,231.70 : x
  2. Step 2: Convert to fraction form
    7,667,998.10/11,501,997.15 = 7,618,231.70/x
  3. Step 3: Cross multiply
    7,667,998.10x = 11,501,997.15 × 7,618,231.70
  4. Step 4: Simplify right side
    7,667,998.10x = 87,624,879,301,439.66
  5. Step 5: Solve for x
    x = 87,624,879,301,439.66/7,667,998.10
  6. Step 6: Final answer
    x = 11,427,347.55

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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.