Finding the Fourth Proportional to 14,379,640.99, 19,844,394.21 and 8,504,311.63
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Solution
The fourth proportional to 14,379,640.99, 19,844,394.21 and 8,504,311.63 is: 11,736,239.62
Step by Step Solution
- Step 1: Write the proportion equation
14,379,640.99 : 19,844,394.21 = 8,504,311.63 : x - Step 2: Convert to fraction form
14,379,640.99/19,844,394.21 = 8,504,311.63/x - Step 3: Cross multiply
14,379,640.99x = 19,844,394.21 × 8,504,311.63 - Step 4: Simplify right side
14,379,640.99x = 168,762,912,390,244 - Step 5: Solve for x
x = 168,762,912,390,244/14,379,640.99 - Step 6: Final answer
x = 11,736,239.62
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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.