Home / 11,936,543.91-17,903,016.99-7,648,558.82

Finding the Fourth Proportional to 11,936,543.91, 17,903,016.99 and 7,648,558.82

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Solution

The fourth proportional to 11,936,543.91, 17,903,016.99 and 7,648,558.82 is: 11,471,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936,543.91 : 17,903,016.99 = 7,648,558.82 : x
  2. Step 2: Convert to fraction form
    11,936,543.91/17,903,016.99 = 7,648,558.82/x
  3. Step 3: Cross multiply
    11,936,543.91x = 17,903,016.99 × 7,648,558.82
  4. Step 4: Simplify right side
    11,936,543.91x = 136,932,278,548,231.88
  5. Step 5: Solve for x
    x = 136,932,278,548,231.88/11,936,543.91
  6. Step 6: Final answer
    x = 11,471,685.57

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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.