Home / 8,195,076.80-12,292,615.20-3,943,548.80

Finding the Fourth Proportional to 8,195,076.80, 12,292,615.20 and 3,943,548.80

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Solution

The fourth proportional to 8,195,076.80, 12,292,615.20 and 3,943,548.80 is: 5,915,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,076.80 : 12,292,615.20 = 3,943,548.80 : x
  2. Step 2: Convert to fraction form
    8,195,076.80/12,292,615.20 = 3,943,548.80/x
  3. Step 3: Cross multiply
    8,195,076.80x = 12,292,615.20 × 3,943,548.80
  4. Step 4: Simplify right side
    8,195,076.80x = 48,476,527,920,821.76
  5. Step 5: Solve for x
    x = 48,476,527,920,821.76/8,195,076.80
  6. Step 6: Final answer
    x = 5,915,323.20

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Double scale
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Similar ratio
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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.