Finding the Fourth Proportional to 19,928,994.52, 27,504,043.96 and 12,199,145.08
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Solution
The fourth proportional to 19,928,994.52, 27,504,043.96 and 12,199,145.08 is: 16,836,063.77
Step by Step Solution
- Step 1: Write the proportion equation
19,928,994.52 : 27,504,043.96 = 12,199,145.08 : x - Step 2: Convert to fraction form
19,928,994.52/27,504,043.96 = 12,199,145.08/x - Step 3: Cross multiply
19,928,994.52x = 27,504,043.96 × 12,199,145.08 - Step 4: Simplify right side
19,928,994.52x = 335,525,822,554,737.75 - Step 5: Solve for x
x = 335,525,822,554,737.75/19,928,994.52 - Step 6: Final answer
x = 16,836,063.77
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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.