Home / 8,190,203.60-12,285,305.40-8,064,232.40

Finding the Fourth Proportional to 8,190,203.60, 12,285,305.40 and 8,064,232.40

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Solution

The fourth proportional to 8,190,203.60, 12,285,305.40 and 8,064,232.40 is: 12,096,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,203.60 : 12,285,305.40 = 8,064,232.40 : x
  2. Step 2: Convert to fraction form
    8,190,203.60/12,285,305.40 = 8,064,232.40/x
  3. Step 3: Cross multiply
    8,190,203.60x = 12,285,305.40 × 8,064,232.40
  4. Step 4: Simplify right side
    8,190,203.60x = 99,071,557,850,574.97
  5. Step 5: Solve for x
    x = 99,071,557,850,574.97/8,190,203.60
  6. Step 6: Final answer
    x = 12,096,348.60

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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.