Home / 13,863,625.91-20,770,776.68-11,821,148.68

Finding the Fourth Proportional to 13,863,625.91, 20,770,776.68 and 11,821,148.68

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Solution

The fourth proportional to 13,863,625.91, 20,770,776.68 and 11,821,148.68 is: 17,710,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863,625.91 : 20,770,776.68 = 11,821,148.68 : x
  2. Step 2: Convert to fraction form
    13,863,625.91/20,770,776.68 = 11,821,148.68/x
  3. Step 3: Cross multiply
    13,863,625.91x = 20,770,776.68 × 11,821,148.68
  4. Step 4: Simplify right side
    13,863,625.91x = 245,534,439,333,356.78
  5. Step 5: Solve for x
    x = 245,534,439,333,356.78/13,863,625.91
  6. Step 6: Final answer
    x = 17,710,694.22

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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.