Home / 8,819,865.43-12,171,757.68-4,899,917.34

Finding the Fourth Proportional to 8,819,865.43, 12,171,757.68 and 4,899,917.34

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Solution

The fourth proportional to 8,819,865.43, 12,171,757.68 and 4,899,917.34 is: 6,762,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819,865.43 : 12,171,757.68 = 4,899,917.34 : x
  2. Step 2: Convert to fraction form
    8,819,865.43/12,171,757.68 = 4,899,917.34/x
  3. Step 3: Cross multiply
    8,819,865.43x = 12,171,757.68 × 4,899,917.34
  4. Step 4: Simplify right side
    8,819,865.43x = 59,640,606,514,510.16
  5. Step 5: Solve for x
    x = 59,640,606,514,510.16/8,819,865.43
  6. Step 6: Final answer
    x = 6,762,076.70

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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.