Home / 8,190,003.20-12,285,004.80-6,595,680.20

Finding the Fourth Proportional to 8,190,003.20, 12,285,004.80 and 6,595,680.20

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Solution

The fourth proportional to 8,190,003.20, 12,285,004.80 and 6,595,680.20 is: 9,893,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,003.20 : 12,285,004.80 = 6,595,680.20 : x
  2. Step 2: Convert to fraction form
    8,190,003.20/12,285,004.80 = 6,595,680.20/x
  3. Step 3: Cross multiply
    8,190,003.20x = 12,285,004.80 × 6,595,680.20
  4. Step 4: Simplify right side
    8,190,003.20x = 81,027,962,916,264.97
  5. Step 5: Solve for x
    x = 81,027,962,916,264.97/8,190,003.20
  6. Step 6: Final answer
    x = 9,893,520.30

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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.