Home / 8,422,759.57-11,623,408.22-4,555,280.71

Finding the Fourth Proportional to 8,422,759.57, 11,623,408.22 and 4,555,280.71

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Solution

The fourth proportional to 8,422,759.57, 11,623,408.22 and 4,555,280.71 is: 6,286,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,759.57 : 11,623,408.22 = 4,555,280.71 : x
  2. Step 2: Convert to fraction form
    8,422,759.57/11,623,408.22 = 4,555,280.71/x
  3. Step 3: Cross multiply
    8,422,759.57x = 11,623,408.22 × 4,555,280.71
  4. Step 4: Simplify right side
    8,422,759.57x = 52,947,887,249,021.44
  5. Step 5: Solve for x
    x = 52,947,887,249,021.44/8,422,759.57
  6. Step 6: Final answer
    x = 6,286,287.39

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Double scale
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1.5x scale

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.