Home / 14,873,400-20,525,292.32-8,434,872

Finding the Fourth Proportional to 14,873,400, 20,525,292.32 and 8,434,872

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Solution

The fourth proportional to 14,873,400, 20,525,292.32 and 8,434,872 is: 11,640,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873,400 : 20,525,292.32 = 8,434,872 : x
  2. Step 2: Convert to fraction form
    14,873,400/20,525,292.32 = 8,434,872/x
  3. Step 3: Cross multiply
    14,873,400x = 20,525,292.32 × 8,434,872
  4. Step 4: Simplify right side
    14,873,400x = 173,128,213,481,783.03
  5. Step 5: Solve for x
    x = 173,128,213,481,783.03/14,873,400
  6. Step 6: Final answer
    x = 11,640,123.54

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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.