Home / 8,190,233.80-12,285,350.70-8,083,945.60

Finding the Fourth Proportional to 8,190,233.80, 12,285,350.70 and 8,083,945.60

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Solution

The fourth proportional to 8,190,233.80, 12,285,350.70 and 8,083,945.60 is: 12,125,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,233.80 : 12,285,350.70 = 8,083,945.60 : x
  2. Step 2: Convert to fraction form
    8,190,233.80/12,285,350.70 = 8,083,945.60/x
  3. Step 3: Cross multiply
    8,190,233.80x = 12,285,350.70 × 8,083,945.60
  4. Step 4: Simplify right side
    8,190,233.80x = 99,314,106,735,721.91
  5. Step 5: Solve for x
    x = 99,314,106,735,721.91/8,190,233.80
  6. Step 6: Final answer
    x = 12,125,918.40

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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.