Finding the Fourth Proportional to 12,251,668.62, 16,906,993.68 and 6,744,988.50
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Solution
The fourth proportional to 12,251,668.62, 16,906,993.68 and 6,744,988.50 is: 9,307,914.01
Step by Step Solution
- Step 1: Write the proportion equation
12,251,668.62 : 16,906,993.68 = 6,744,988.50 : x - Step 2: Convert to fraction form
12,251,668.62/16,906,993.68 = 6,744,988.50/x - Step 3: Cross multiply
12,251,668.62x = 16,906,993.68 × 6,744,988.50 - Step 4: Simplify right side
12,251,668.62x = 114,037,477,941,172.67 - Step 5: Solve for x
x = 114,037,477,941,172.67/12,251,668.62 - Step 6: Final answer
x = 9,307,914.01
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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.