Finding the Fourth Proportional to 11,777,701.28, 16,252,754.10 and 6,620,952.92
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Solution
The fourth proportional to 11,777,701.28, 16,252,754.10 and 6,620,952.92 is: 9,136,648.75
Step by Step Solution
- Step 1: Write the proportion equation
11,777,701.28 : 16,252,754.10 = 6,620,952.92 : x - Step 2: Convert to fraction form
11,777,701.28/16,252,754.10 = 6,620,952.92/x - Step 3: Cross multiply
11,777,701.28x = 16,252,754.10 × 6,620,952.92 - Step 4: Simplify right side
11,777,701.28x = 107,608,719,716,436.97 - Step 5: Solve for x
x = 107,608,719,716,436.97/11,777,701.28 - Step 6: Final answer
x = 9,136,648.75
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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.