Finding the Fourth Proportional to 34,051,138.40, 46,991,567.94 and 18,582,220.10
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Solution
The fourth proportional to 34,051,138.40, 46,991,567.94 and 18,582,220.10 is: 25,644,007.79
Step by Step Solution
- Step 1: Write the proportion equation
34,051,138.40 : 46,991,567.94 = 18,582,220.10 : x - Step 2: Convert to fraction form
34,051,138.40/46,991,567.94 = 18,582,220.10/x - Step 3: Cross multiply
34,051,138.40x = 46,991,567.94 × 18,582,220.10 - Step 4: Simplify right side
34,051,138.40x = 873,207,658,305,183.62 - Step 5: Solve for x
x = 873,207,658,305,183.62/34,051,138.40 - Step 6: Final answer
x = 25,644,007.79
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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.