Home / 13,680,280.71-20,508,831.32-5,998,103.55

Finding the Fourth Proportional to 13,680,280.71, 20,508,831.32 and 5,998,103.55

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Solution

The fourth proportional to 13,680,280.71, 20,508,831.32 and 5,998,103.55 is: 8,992,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,680,280.71 : 20,508,831.32 = 5,998,103.55 : x
  2. Step 2: Convert to fraction form
    13,680,280.71/20,508,831.32 = 5,998,103.55/x
  3. Step 3: Cross multiply
    13,680,280.71x = 20,508,831.32 × 5,998,103.55
  4. Step 4: Simplify right side
    13,680,280.71x = 123,014,093,916,852.67
  5. Step 5: Solve for x
    x = 123,014,093,916,852.67/13,680,280.71
  6. Step 6: Final answer
    x = 8,992,073.81

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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.