Home / 10,363,469.20-15,545,203.80-8,198,630.80

Finding the Fourth Proportional to 10,363,469.20, 15,545,203.80 and 8,198,630.80

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Solution

The fourth proportional to 10,363,469.20, 15,545,203.80 and 8,198,630.80 is: 12,297,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,469.20 : 15,545,203.80 = 8,198,630.80 : x
  2. Step 2: Convert to fraction form
    10,363,469.20/15,545,203.80 = 8,198,630.80/x
  3. Step 3: Cross multiply
    10,363,469.20x = 15,545,203.80 × 8,198,630.80
  4. Step 4: Simplify right side
    10,363,469.20x = 127,449,386,666,957.05
  5. Step 5: Solve for x
    x = 127,449,386,666,957.05/10,363,469.20
  6. Step 6: Final answer
    x = 12,297,946.20

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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.