Home / 13,609,951.76-20,414,248.76-5,089,661.84

Finding the Fourth Proportional to 13,609,951.76, 20,414,248.76 and 5,089,661.84

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Solution

The fourth proportional to 13,609,951.76, 20,414,248.76 and 5,089,661.84 is: 7,634,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,951.76 : 20,414,248.76 = 5,089,661.84 : x
  2. Step 2: Convert to fraction form
    13,609,951.76/20,414,248.76 = 5,089,661.84/x
  3. Step 3: Cross multiply
    13,609,951.76x = 20,414,248.76 × 5,089,661.84
  4. Step 4: Simplify right side
    13,609,951.76x = 103,901,622,906,039.33
  5. Step 5: Solve for x
    x = 103,901,622,906,039.33/13,609,951.76
  6. Step 6: Final answer
    x = 7,634,238.88

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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.