Finding the Fourth Proportional to 18,498,906.18, 27,757,927.06 and 13,423,183.34
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Solution
The fourth proportional to 18,498,906.18, 27,757,927.06 and 13,423,183.34 is: 20,141,717.58
Step by Step Solution
- Step 1: Write the proportion equation
18,498,906.18 : 27,757,927.06 = 13,423,183.34 : x - Step 2: Convert to fraction form
18,498,906.18/27,757,927.06 = 13,423,183.34/x - Step 3: Cross multiply
18,498,906.18x = 27,757,927.06 × 13,423,183.34 - Step 4: Simplify right side
18,498,906.18x = 372,599,743,892,379.62 - Step 5: Solve for x
x = 372,599,743,892,379.62/18,498,906.18 - Step 6: Final answer
x = 20,141,717.58
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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.