Finding the Fourth Proportional to 27,171,638.19, 40,757,450.00 and 18,626,066.91
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Solution
The fourth proportional to 27,171,638.19, 40,757,450.00 and 18,626,066.91 is: 27,939,095.37
Step by Step Solution
- Step 1: Write the proportion equation
27,171,638.19 : 40,757,450.00 = 18,626,066.91 : x - Step 2: Convert to fraction form
27,171,638.19/40,757,450.00 = 18,626,066.91/x - Step 3: Cross multiply
27,171,638.19x = 40,757,450.00 × 18,626,066.91 - Step 4: Simplify right side
27,171,638.19x = 759,150,990,687,849.12 - Step 5: Solve for x
x = 759,150,990,687,849.12/27,171,638.19 - Step 6: Final answer
x = 27,939,095.37
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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.