Home / 6,512,864.43-8,981,871.60-4,065,702.56

Finding the Fourth Proportional to 6,512,864.43, 8,981,871.60 and 4,065,702.56

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Solution

The fourth proportional to 6,512,864.43, 8,981,871.60 and 4,065,702.56 is: 5,606,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512,864.43 : 8,981,871.60 = 4,065,702.56 : x
  2. Step 2: Convert to fraction form
    6,512,864.43/8,981,871.60 = 4,065,702.56/x
  3. Step 3: Cross multiply
    6,512,864.43x = 8,981,871.60 × 4,065,702.56
  4. Step 4: Simplify right side
    6,512,864.43x = 36,517,618,335,256.62
  5. Step 5: Solve for x
    x = 36,517,618,335,256.62/6,512,864.43
  6. Step 6: Final answer
    x = 5,606,998.07

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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.