Finding the Fourth Proportional to 11,794,812.15, 16,270,597.80 and 8,117,344.11
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Solution
The fourth proportional to 11,794,812.15, 16,270,597.80 and 8,117,344.11 is: 11,197,638.38
Step by Step Solution
- Step 1: Write the proportion equation
11,794,812.15 : 16,270,597.80 = 8,117,344.11 : x - Step 2: Convert to fraction form
11,794,812.15/16,270,597.80 = 8,117,344.11/x - Step 3: Cross multiply
11,794,812.15x = 16,270,597.80 × 8,117,344.11 - Step 4: Simplify right side
11,794,812.15x = 132,074,041,218,008.97 - Step 5: Solve for x
x = 132,074,041,218,008.97/11,794,812.15 - Step 6: Final answer
x = 11,197,638.38
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1.5x scale
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.