Home / 11,088,139.60-16,632,209.40-7,686,917.20

Finding the Fourth Proportional to 11,088,139.60, 16,632,209.40 and 7,686,917.20

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Solution

The fourth proportional to 11,088,139.60, 16,632,209.40 and 7,686,917.20 is: 11,530,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088,139.60 : 16,632,209.40 = 7,686,917.20 : x
  2. Step 2: Convert to fraction form
    11,088,139.60/16,632,209.40 = 7,686,917.20/x
  3. Step 3: Cross multiply
    11,088,139.60x = 16,632,209.40 × 7,686,917.20
  4. Step 4: Simplify right side
    11,088,139.60x = 127,850,416,510,861.69
  5. Step 5: Solve for x
    x = 127,850,416,510,861.69/11,088,139.60
  6. Step 6: Final answer
    x = 11,530,375.80

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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.