Finding the Fourth Proportional to 8,842,452.09, 12,202,497.77 and 4,922,146.05
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Solution
The fourth proportional to 8,842,452.09, 12,202,497.77 and 4,922,146.05 is: 6,792,513.61
Step by Step Solution
- Step 1: Write the proportion equation
8,842,452.09 : 12,202,497.77 = 4,922,146.05 : x - Step 2: Convert to fraction form
8,842,452.09/12,202,497.77 = 4,922,146.05/x - Step 3: Cross multiply
8,842,452.09x = 12,202,497.77 × 4,922,146.05 - Step 4: Simplify right side
8,842,452.09x = 60,062,476,174,128.58 - Step 5: Solve for x
x = 60,062,476,174,128.58/8,842,452.09 - Step 6: Final answer
x = 6,792,513.61
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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.