Home / 13,431,831.08-20,147,664.60-3,847,227.03

Finding the Fourth Proportional to 13,431,831.08, 20,147,664.60 and 3,847,227.03

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Solution

The fourth proportional to 13,431,831.08, 20,147,664.60 and 3,847,227.03 is: 5,770,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,831.08 : 20,147,664.60 = 3,847,227.03 : x
  2. Step 2: Convert to fraction form
    13,431,831.08/20,147,664.60 = 3,847,227.03/x
  3. Step 3: Cross multiply
    13,431,831.08x = 20,147,664.60 × 3,847,227.03
  4. Step 4: Simplify right side
    13,431,831.08x = 77,512,639,840,494.14
  5. Step 5: Solve for x
    x = 77,512,639,840,494.14/13,431,831.08
  6. Step 6: Final answer
    x = 5,770,817.05

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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.