Home / 8,448,003.70-12,672,005.55-3,131,293.30

Finding the Fourth Proportional to 8,448,003.70, 12,672,005.55 and 3,131,293.30

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Solution

The fourth proportional to 8,448,003.70, 12,672,005.55 and 3,131,293.30 is: 4,696,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,003.70 : 12,672,005.55 = 3,131,293.30 : x
  2. Step 2: Convert to fraction form
    8,448,003.70/12,672,005.55 = 3,131,293.30/x
  3. Step 3: Cross multiply
    8,448,003.70x = 12,672,005.55 × 3,131,293.30
  4. Step 4: Simplify right side
    8,448,003.70x = 39,679,766,076,277.81
  5. Step 5: Solve for x
    x = 39,679,766,076,277.81/8,448,003.70
  6. Step 6: Final answer
    x = 4,696,939.95

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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.