Finding the Fourth Proportional to 12,093,776.97, 16,689,409.05 and 6,661,268.97
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Solution
The fourth proportional to 12,093,776.97, 16,689,409.05 and 6,661,268.97 is: 9,192,549.43
Step by Step Solution
- Step 1: Write the proportion equation
12,093,776.97 : 16,689,409.05 = 6,661,268.97 : x - Step 2: Convert to fraction form
12,093,776.97/16,689,409.05 = 6,661,268.97/x - Step 3: Cross multiply
12,093,776.97x = 16,689,409.05 × 6,661,268.97 - Step 4: Simplify right side
12,093,776.97x = 111,172,642,632,402.17 - Step 5: Solve for x
x = 111,172,642,632,402.17/12,093,776.97 - Step 6: Final answer
x = 9,192,549.43
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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.