Finding the Fourth Proportional to 33,479,715.62, 46,207,050.08 and 20,434,555.17
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Solution
The fourth proportional to 33,479,715.62, 46,207,050.08 and 20,434,555.17 is: 28,202,763.87
Step by Step Solution
- Step 1: Write the proportion equation
33,479,715.62 : 46,207,050.08 = 20,434,555.17 : x - Step 2: Convert to fraction form
33,479,715.62/46,207,050.08 = 20,434,555.17/x - Step 3: Cross multiply
33,479,715.62x = 46,207,050.08 × 20,434,555.17 - Step 4: Simplify right side
33,479,715.62x = 944,220,514,000,540.25 - Step 5: Solve for x
x = 944,220,514,000,540.25/33,479,715.62 - Step 6: Final answer
x = 28,202,763.87
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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.