Home / 8,425,414.80-12,638,481.80-3,308,953.50

Finding the Fourth Proportional to 8,425,414.80, 12,638,481.80 and 3,308,953.50

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Solution

The fourth proportional to 8,425,414.80, 12,638,481.80 and 3,308,953.50 is: 4,963,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425,414.80 : 12,638,481.80 = 3,308,953.50 : x
  2. Step 2: Convert to fraction form
    8,425,414.80/12,638,481.80 = 3,308,953.50/x
  3. Step 3: Cross multiply
    8,425,414.80x = 12,638,481.80 × 3,308,953.50
  4. Step 4: Simplify right side
    8,425,414.80x = 41,820,148,570,251.53
  5. Step 5: Solve for x
    x = 41,820,148,570,251.53/8,425,414.80
  6. Step 6: Final answer
    x = 4,963,571.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.