Finding the Fourth Proportional to 18,596,441.39, 27,894,940.34 and 7,082,544.53
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Solution
The fourth proportional to 18,596,441.39, 27,894,940.34 and 7,082,544.53 is: 10,623,922.76
Step by Step Solution
- Step 1: Write the proportion equation
18,596,441.39 : 27,894,940.34 = 7,082,544.53 : x - Step 2: Convert to fraction form
18,596,441.39/27,894,940.34 = 7,082,544.53/x - Step 3: Cross multiply
18,596,441.39x = 27,894,940.34 × 7,082,544.53 - Step 4: Simplify right side
18,596,441.39x = 197,567,156,944,855.94 - Step 5: Solve for x
x = 197,567,156,944,855.94/18,596,441.39 - Step 6: Final answer
x = 10,623,922.76
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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.