Finding the Fourth Proportional to 12,469,252.07, 17,219,452.14 and 11,789,930.31
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Solution
The fourth proportional to 12,469,252.07, 17,219,452.14 and 11,789,930.31 is: 16,281,340.66
Step by Step Solution
- Step 1: Write the proportion equation
12,469,252.07 : 17,219,452.14 = 11,789,930.31 : x - Step 2: Convert to fraction form
12,469,252.07/17,219,452.14 = 11,789,930.31/x - Step 3: Cross multiply
12,469,252.07x = 17,219,452.14 × 11,789,930.31 - Step 4: Simplify right side
12,469,252.07x = 203,016,140,706,980.38 - Step 5: Solve for x
x = 203,016,140,706,980.38/12,469,252.07 - Step 6: Final answer
x = 16,281,340.66
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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.