Finding the Fourth Proportional to 33,479,736.51, 46,207,078.92 and 20,434,576.08
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Solution
The fourth proportional to 33,479,736.51, 46,207,078.92 and 20,434,576.08 is: 28,202,792.74
Step by Step Solution
- Step 1: Write the proportion equation
33,479,736.51 : 46,207,078.92 = 20,434,576.08 : x - Step 2: Convert to fraction form
33,479,736.51/46,207,078.92 = 20,434,576.08/x - Step 3: Cross multiply
33,479,736.51x = 46,207,078.92 × 20,434,576.08 - Step 4: Simplify right side
33,479,736.51x = 944,222,069,625,304.25 - Step 5: Solve for x
x = 944,222,069,625,304.25/33,479,736.51 - Step 6: Final answer
x = 28,202,792.74
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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.