Home / 12,660,944.97-18,991,441.23-3,076,331.61

Finding the Fourth Proportional to 12,660,944.97, 18,991,441.23 and 3,076,331.61

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Solution

The fourth proportional to 12,660,944.97, 18,991,441.23 and 3,076,331.61 is: 4,614,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,944.97 : 18,991,441.23 = 3,076,331.61 : x
  2. Step 2: Convert to fraction form
    12,660,944.97/18,991,441.23 = 3,076,331.61/x
  3. Step 3: Cross multiply
    12,660,944.97x = 18,991,441.23 × 3,076,331.61
  4. Step 4: Simplify right side
    12,660,944.97x = 58,423,970,975,306.28
  5. Step 5: Solve for x
    x = 58,423,970,975,306.28/12,660,944.97
  6. Step 6: Final answer
    x = 4,614,503.19

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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.