Finding the Fourth Proportional to 18,550,578.94, 27,797,490.33 and 9,915,907.66
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Solution
The fourth proportional to 18,550,578.94, 27,797,490.33 and 9,915,907.66 is: 14,858,692.45
Step by Step Solution
- Step 1: Write the proportion equation
18,550,578.94 : 27,797,490.33 = 9,915,907.66 : x - Step 2: Convert to fraction form
18,550,578.94/27,797,490.33 = 9,915,907.66/x - Step 3: Cross multiply
18,550,578.94x = 27,797,490.33 × 9,915,907.66 - Step 4: Simplify right side
18,550,578.94x = 275,637,347,292,022.91 - Step 5: Solve for x
x = 275,637,347,292,022.91/18,550,578.94 - Step 6: Final answer
x = 14,858,692.45
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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.