Finding the Fourth Proportional to 14,244,868.26, 21,388,647.51 and 12,331,680.66
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Solution
The fourth proportional to 14,244,868.26, 21,388,647.51 and 12,331,680.66 is: 18,515,999.31
Step by Step Solution
- Step 1: Write the proportion equation
14,244,868.26 : 21,388,647.51 = 12,331,680.66 : x - Step 2: Convert to fraction form
14,244,868.26/21,388,647.51 = 12,331,680.66/x - Step 3: Cross multiply
14,244,868.26x = 21,388,647.51 × 12,331,680.66 - Step 4: Simplify right side
14,244,868.26x = 263,757,970,842,624.19 - Step 5: Solve for x
x = 263,757,970,842,624.19/14,244,868.26 - Step 6: Final answer
x = 18,515,999.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.