Home / 7,652,703.22-11,479,715.79-1,972,879.54

Finding the Fourth Proportional to 7,652,703.22, 11,479,715.79 and 1,972,879.54

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Solution

The fourth proportional to 7,652,703.22, 11,479,715.79 and 1,972,879.54 is: 2,959,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652,703.22 : 11,479,715.79 = 1,972,879.54 : x
  2. Step 2: Convert to fraction form
    7,652,703.22/11,479,715.79 = 1,972,879.54/x
  3. Step 3: Cross multiply
    7,652,703.22x = 11,479,715.79 × 1,972,879.54
  4. Step 4: Simplify right side
    7,652,703.22x = 22,648,096,407,105.93
  5. Step 5: Solve for x
    x = 22,648,096,407,105.93/7,652,703.22
  6. Step 6: Final answer
    x = 2,959,489.71

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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.