Finding the Fourth Proportional to 9,622,936.73, 13,279,542.03 and 5,212,578.19
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Solution
The fourth proportional to 9,622,936.73, 13,279,542.03 and 5,212,578.19 is: 7,193,297.97
Step by Step Solution
- Step 1: Write the proportion equation
9,622,936.73 : 13,279,542.03 = 5,212,578.19 : x - Step 2: Convert to fraction form
9,622,936.73/13,279,542.03 = 5,212,578.19/x - Step 3: Cross multiply
9,622,936.73x = 13,279,542.03 × 5,212,578.19 - Step 4: Simplify right side
9,622,936.73x = 69,220,651,165,823.46 - Step 5: Solve for x
x = 69,220,651,165,823.46/9,622,936.73 - Step 6: Final answer
x = 7,193,297.97
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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.