Home / 11,579,727.57-15,981,940.61-6,424,749.87

Finding the Fourth Proportional to 11,579,727.57, 15,981,940.61 and 6,424,749.87

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Solution

The fourth proportional to 11,579,727.57, 15,981,940.61 and 6,424,749.87 is: 8,867,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579,727.57 : 15,981,940.61 = 6,424,749.87 : x
  2. Step 2: Convert to fraction form
    11,579,727.57/15,981,940.61 = 6,424,749.87/x
  3. Step 3: Cross multiply
    11,579,727.57x = 15,981,940.61 × 6,424,749.87
  4. Step 4: Simplify right side
    11,579,727.57x = 102,679,970,856,445.22
  5. Step 5: Solve for x
    x = 102,679,970,856,445.22/11,579,727.57
  6. Step 6: Final answer
    x = 8,867,218.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.