Home / 8,508,143.68-11,741,378.48-4,640,665.12

Finding the Fourth Proportional to 8,508,143.68, 11,741,378.48 and 4,640,665.12

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Solution

The fourth proportional to 8,508,143.68, 11,741,378.48 and 4,640,665.12 is: 6,404,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,143.68 : 11,741,378.48 = 4,640,665.12 : x
  2. Step 2: Convert to fraction form
    8,508,143.68/11,741,378.48 = 4,640,665.12/x
  3. Step 3: Cross multiply
    8,508,143.68x = 11,741,378.48 × 4,640,665.12
  4. Step 4: Simplify right side
    8,508,143.68x = 54,487,805,572,854.62
  5. Step 5: Solve for x
    x = 54,487,805,572,854.62/8,508,143.68
  6. Step 6: Final answer
    x = 6,404,194.34

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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.