Home / 11,088,331.60-16,632,497.42-7,687,109.20

Finding the Fourth Proportional to 11,088,331.60, 16,632,497.42 and 7,687,109.20

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Solution

The fourth proportional to 11,088,331.60, 16,632,497.42 and 7,687,109.20 is: 11,530,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088,331.60 : 16,632,497.42 = 7,687,109.20 : x
  2. Step 2: Convert to fraction form
    11,088,331.60/16,632,497.42 = 7,687,109.20/x
  3. Step 3: Cross multiply
    11,088,331.60x = 16,632,497.42 × 7,687,109.20
  4. Step 4: Simplify right side
    11,088,331.60x = 127,855,823,936,258.27
  5. Step 5: Solve for x
    x = 127,855,823,936,258.27/11,088,331.60
  6. Step 6: Final answer
    x = 11,530,663.81

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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.