Home / 18,759,725.52-25,867,863.25-12,221,229.75

Finding the Fourth Proportional to 18,759,725.52, 25,867,863.25 and 12,221,229.75

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Solution

The fourth proportional to 18,759,725.52, 25,867,863.25 and 12,221,229.75 is: 16,851,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,725.52 : 25,867,863.25 = 12,221,229.75 : x
  2. Step 2: Convert to fraction form
    18,759,725.52/25,867,863.25 = 12,221,229.75/x
  3. Step 3: Cross multiply
    18,759,725.52x = 25,867,863.25 × 12,221,229.75
  4. Step 4: Simplify right side
    18,759,725.52x = 316,137,099,919,831.69
  5. Step 5: Solve for x
    x = 316,137,099,919,831.69/18,759,725.52
  6. Step 6: Final answer
    x = 16,851,904.34

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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.