Home / 22,519,326.78-31,076,716.50-12,206,056.86

Finding the Fourth Proportional to 22,519,326.78, 31,076,716.50 and 12,206,056.86

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Solution

The fourth proportional to 22,519,326.78, 31,076,716.50 and 12,206,056.86 is: 16,844,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519,326.78 : 31,076,716.50 = 12,206,056.86 : x
  2. Step 2: Convert to fraction form
    22,519,326.78/31,076,716.50 = 12,206,056.86/x
  3. Step 3: Cross multiply
    22,519,326.78x = 31,076,716.50 × 12,206,056.86
  4. Step 4: Simplify right side
    22,519,326.78x = 379,324,168,621,100.19
  5. Step 5: Solve for x
    x = 379,324,168,621,100.19/22,519,326.78
  6. Step 6: Final answer
    x = 16,844,383.15

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1.5x scale

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.