Home / 11,146,609.80-16,719,914.70-9,445,998.60

Finding the Fourth Proportional to 11,146,609.80, 16,719,914.70 and 9,445,998.60

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Solution

The fourth proportional to 11,146,609.80, 16,719,914.70 and 9,445,998.60 is: 14,168,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,609.80 : 16,719,914.70 = 9,445,998.60 : x
  2. Step 2: Convert to fraction form
    11,146,609.80/16,719,914.70 = 9,445,998.60/x
  3. Step 3: Cross multiply
    11,146,609.80x = 16,719,914.70 × 9,445,998.60
  4. Step 4: Simplify right side
    11,146,609.80x = 157,936,290,848,319.41
  5. Step 5: Solve for x
    x = 157,936,290,848,319.41/11,146,609.80
  6. Step 6: Final answer
    x = 14,168,997.90

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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.