Finding the Fourth Proportional to 19,790,574.84, 27,310,974.24 and 11,088,809.85
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Solution
The fourth proportional to 19,790,574.84, 27,310,974.24 and 11,088,809.85 is: 15,302,546.93
Step by Step Solution
- Step 1: Write the proportion equation
19,790,574.84 : 27,310,974.24 = 11,088,809.85 : x - Step 2: Convert to fraction form
19,790,574.84/27,310,974.24 = 11,088,809.85/x - Step 3: Cross multiply
19,790,574.84x = 27,310,974.24 × 11,088,809.85 - Step 4: Simplify right side
19,790,574.84x = 302,846,200,165,608.25 - Step 5: Solve for x
x = 302,846,200,165,608.25/19,790,574.84 - Step 6: Final answer
x = 15,302,546.93
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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.