Home / 21,963,683.78-30,309,831.32-12,040,548.84

Finding the Fourth Proportional to 21,963,683.78, 30,309,831.32 and 12,040,548.84

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Solution

The fourth proportional to 21,963,683.78, 30,309,831.32 and 12,040,548.84 is: 16,615,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,683.78 : 30,309,831.32 = 12,040,548.84 : x
  2. Step 2: Convert to fraction form
    21,963,683.78/30,309,831.32 = 12,040,548.84/x
  3. Step 3: Cross multiply
    21,963,683.78x = 30,309,831.32 × 12,040,548.84
  4. Step 4: Simplify right side
    21,963,683.78x = 364,947,004,280,418.94
  5. Step 5: Solve for x
    x = 364,947,004,280,418.94/21,963,683.78
  6. Step 6: Final answer
    x = 16,615,928.73

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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.