Finding the Fourth Proportional to 13,608,811.36, 20,425,866 and 6,882,052.96
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Solution
The fourth proportional to 13,608,811.36, 20,425,866 and 6,882,052.96 is: 10,329,476.09
Step by Step Solution
- Step 1: Write the proportion equation
13,608,811.36 : 20,425,866 = 6,882,052.96 : x - Step 2: Convert to fraction form
13,608,811.36/20,425,866 = 6,882,052.96/x - Step 3: Cross multiply
13,608,811.36x = 20,425,866 × 6,882,052.96 - Step 4: Simplify right side
13,608,811.36x = 140,571,891,565,863.36 - Step 5: Solve for x
x = 140,571,891,565,863.36/13,608,811.36 - Step 6: Final answer
x = 10,329,476.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.