Home / 13,178,004.40-18,192,250.20-8,285,917.60

Finding the Fourth Proportional to 13,178,004.40, 18,192,250.20 and 8,285,917.60

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Solution

The fourth proportional to 13,178,004.40, 18,192,250.20 and 8,285,917.60 is: 11,438,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,004.40 : 18,192,250.20 = 8,285,917.60 : x
  2. Step 2: Convert to fraction form
    13,178,004.40/18,192,250.20 = 8,285,917.60/x
  3. Step 3: Cross multiply
    13,178,004.40x = 18,192,250.20 × 8,285,917.60
  4. Step 4: Simplify right side
    13,178,004.40x = 150,739,486,115,783.50
  5. Step 5: Solve for x
    x = 150,739,486,115,783.50/13,178,004.40
  6. Step 6: Final answer
    x = 11,438,718.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.