Finding the Fourth Proportional to 18,381,122.29, 27,571,718 and 7,586,582.77
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Solution
The fourth proportional to 18,381,122.29, 27,571,718 and 7,586,582.77 is: 11,379,888.42
Step by Step Solution
- Step 1: Write the proportion equation
18,381,122.29 : 27,571,718 = 7,586,582.77 : x - Step 2: Convert to fraction form
18,381,122.29/27,571,718 = 7,586,582.77/x - Step 3: Cross multiply
18,381,122.29x = 27,571,718 × 7,586,582.77 - Step 4: Simplify right side
18,381,122.29x = 209,175,120,718,098.84 - Step 5: Solve for x
x = 209,175,120,718,098.84/18,381,122.29 - Step 6: Final answer
x = 11,379,888.42
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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.