Home / 12,469,222.08-18,703,969.20-4,382,428.32

Finding the Fourth Proportional to 12,469,222.08, 18,703,969.20 and 4,382,428.32

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Solution

The fourth proportional to 12,469,222.08, 18,703,969.20 and 4,382,428.32 is: 6,573,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,222.08 : 18,703,969.20 = 4,382,428.32 : x
  2. Step 2: Convert to fraction form
    12,469,222.08/18,703,969.20 = 4,382,428.32/x
  3. Step 3: Cross multiply
    12,469,222.08x = 18,703,969.20 × 4,382,428.32
  4. Step 4: Simplify right side
    12,469,222.08x = 81,968,804,318,487.75
  5. Step 5: Solve for x
    x = 81,968,804,318,487.75/12,469,222.08
  6. Step 6: Final answer
    x = 6,573,690.31

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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.