Finding the Fourth Proportional to 7,202,728.19, 9,940,083.33 and 4,147,926.59
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Solution
The fourth proportional to 7,202,728.19, 9,940,083.33 and 4,147,926.59 is: 5,724,322.07
Step by Step Solution
- Step 1: Write the proportion equation
7,202,728.19 : 9,940,083.33 = 4,147,926.59 : x - Step 2: Convert to fraction form
7,202,728.19/9,940,083.33 = 4,147,926.59/x - Step 3: Cross multiply
7,202,728.19x = 9,940,083.33 × 4,147,926.59 - Step 4: Simplify right side
7,202,728.19x = 41,230,735,901,622.33 - Step 5: Solve for x
x = 41,230,735,901,622.33/7,202,728.19 - Step 6: Final answer
x = 5,724,322.07
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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.