Home / 13,232,016.80-19,848,025.20-12,672,144.80

Finding the Fourth Proportional to 13,232,016.80, 19,848,025.20 and 12,672,144.80

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Solution

The fourth proportional to 13,232,016.80, 19,848,025.20 and 12,672,144.80 is: 19,008,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232,016.80 : 19,848,025.20 = 12,672,144.80 : x
  2. Step 2: Convert to fraction form
    13,232,016.80/19,848,025.20 = 12,672,144.80/x
  3. Step 3: Cross multiply
    13,232,016.80x = 19,848,025.20 × 12,672,144.80
  4. Step 4: Simplify right side
    13,232,016.80x = 251,517,049,328,448.97
  5. Step 5: Solve for x
    x = 251,517,049,328,448.97/13,232,016.80
  6. Step 6: Final answer
    x = 19,008,217.20

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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.