Home / 8,197,623.20-12,296,434.80-8,085,648.80

Finding the Fourth Proportional to 8,197,623.20, 12,296,434.80 and 8,085,648.80

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Solution

The fourth proportional to 8,197,623.20, 12,296,434.80 and 8,085,648.80 is: 12,128,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,623.20 : 12,296,434.80 = 8,085,648.80 : x
  2. Step 2: Convert to fraction form
    8,197,623.20/12,296,434.80 = 8,085,648.80/x
  3. Step 3: Cross multiply
    8,197,623.20x = 12,296,434.80 × 8,085,648.80
  4. Step 4: Simplify right side
    8,197,623.20x = 99,424,653,284,898.25
  5. Step 5: Solve for x
    x = 99,424,653,284,898.25/8,197,623.20
  6. Step 6: Final answer
    x = 12,128,473.20

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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.