Finding the Fourth Proportional to 16,405,850.97, 22,639,384.98 and 9,436,002.26
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Solution
The fourth proportional to 16,405,850.97, 22,639,384.98 and 9,436,002.26 is: 13,021,286.62
Step by Step Solution
- Step 1: Write the proportion equation
16,405,850.97 : 22,639,384.98 = 9,436,002.26 : x - Step 2: Convert to fraction form
16,405,850.97/22,639,384.98 = 9,436,002.26/x - Step 3: Cross multiply
16,405,850.97x = 22,639,384.98 × 9,436,002.26 - Step 4: Simplify right side
16,405,850.97x = 213,625,287,723,093.16 - Step 5: Solve for x
x = 213,625,287,723,093.16/16,405,850.97 - Step 6: Final answer
x = 13,021,286.62
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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.