Home / 14,454,512.10-19,947,255.21-7,928,194.68

Finding the Fourth Proportional to 14,454,512.10, 19,947,255.21 and 7,928,194.68

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Solution

The fourth proportional to 14,454,512.10, 19,947,255.21 and 7,928,194.68 is: 10,940,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454,512.10 : 19,947,255.21 = 7,928,194.68 : x
  2. Step 2: Convert to fraction form
    14,454,512.10/19,947,255.21 = 7,928,194.68/x
  3. Step 3: Cross multiply
    14,454,512.10x = 19,947,255.21 × 7,928,194.68
  4. Step 4: Simplify right side
    14,454,512.10x = 158,145,722,636,524.28
  5. Step 5: Solve for x
    x = 158,145,722,636,524.28/14,454,512.10
  6. Step 6: Final answer
    x = 10,940,924.30

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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.