Finding the Fourth Proportional to 7,368,577.98, 11,043,578.97 and 3,948,382.14
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Solution
The fourth proportional to 7,368,577.98, 11,043,578.97 and 3,948,382.14 is: 5,917,596.32
Step by Step Solution
- Step 1: Write the proportion equation
7,368,577.98 : 11,043,578.97 = 3,948,382.14 : x - Step 2: Convert to fraction form
7,368,577.98/11,043,578.97 = 3,948,382.14/x - Step 3: Cross multiply
7,368,577.98x = 11,043,578.97 × 3,948,382.14 - Step 4: Simplify right side
7,368,577.98x = 43,604,269,966,827.60 - Step 5: Solve for x
x = 43,604,269,966,827.60/7,368,577.98 - Step 6: Final answer
x = 5,917,596.32
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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.