Finding the Fourth Proportional to 7,790,464, 10,751,396.66 and 4,305,727.90
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Solution
The fourth proportional to 7,790,464, 10,751,396.66 and 4,305,727.90 is: 5,942,211.99
Step by Step Solution
- Step 1: Write the proportion equation
7,790,464 : 10,751,396.66 = 4,305,727.90 : x - Step 2: Convert to fraction form
7,790,464/10,751,396.66 = 4,305,727.90/x - Step 3: Cross multiply
7,790,464x = 10,751,396.66 × 4,305,727.90 - Step 4: Simplify right side
7,790,464x = 46,292,588,562,928.82 - Step 5: Solve for x
x = 46,292,588,562,928.82/7,790,464 - Step 6: Final answer
x = 5,942,211.99
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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.