Home / 11,089,432.40-16,601,489.40-8,262,078.80

Finding the Fourth Proportional to 11,089,432.40, 16,601,489.40 and 8,262,078.80

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Solution

The fourth proportional to 11,089,432.40, 16,601,489.40 and 8,262,078.80 is: 12,368,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089,432.40 : 16,601,489.40 = 8,262,078.80 : x
  2. Step 2: Convert to fraction form
    11,089,432.40/16,601,489.40 = 8,262,078.80/x
  3. Step 3: Cross multiply
    11,089,432.40x = 16,601,489.40 × 8,262,078.80
  4. Step 4: Simplify right side
    11,089,432.40x = 137,162,813,620,164.72
  5. Step 5: Solve for x
    x = 137,162,813,620,164.72/11,089,432.40
  6. Step 6: Final answer
    x = 12,368,785.77

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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.