Home / 8,193,611.10-12,290,416.65-2,127,845.10

Finding the Fourth Proportional to 8,193,611.10, 12,290,416.65 and 2,127,845.10

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Solution

The fourth proportional to 8,193,611.10, 12,290,416.65 and 2,127,845.10 is: 3,191,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,611.10 : 12,290,416.65 = 2,127,845.10 : x
  2. Step 2: Convert to fraction form
    8,193,611.10/12,290,416.65 = 2,127,845.10/x
  3. Step 3: Cross multiply
    8,193,611.10x = 12,290,416.65 × 2,127,845.10
  4. Step 4: Simplify right side
    8,193,611.10x = 26,152,102,845,660.92
  5. Step 5: Solve for x
    x = 26,152,102,845,660.92/8,193,611.10
  6. Step 6: Final answer
    x = 3,191,767.65

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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.