Home / 9,136,906.80-13,705,360.20-8,109,454.20

Finding the Fourth Proportional to 9,136,906.80, 13,705,360.20 and 8,109,454.20

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Solution

The fourth proportional to 9,136,906.80, 13,705,360.20 and 8,109,454.20 is: 12,164,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136,906.80 : 13,705,360.20 = 8,109,454.20 : x
  2. Step 2: Convert to fraction form
    9,136,906.80/13,705,360.20 = 8,109,454.20/x
  3. Step 3: Cross multiply
    9,136,906.80x = 13,705,360.20 × 8,109,454.20
  4. Step 4: Simplify right side
    9,136,906.80x = 111,142,990,836,402.84
  5. Step 5: Solve for x
    x = 111,142,990,836,402.84/9,136,906.80
  6. Step 6: Final answer
    x = 12,164,181.30

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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.