Finding the Fourth Proportional to 7,714,107.63, 11,514,833.60 and 7,152,108.75
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Solution
The fourth proportional to 7,714,107.63, 11,514,833.60 and 7,152,108.75 is: 10,675,938.95
Step by Step Solution
- Step 1: Write the proportion equation
7,714,107.63 : 11,514,833.60 = 7,152,108.75 : x - Step 2: Convert to fraction form
7,714,107.63/11,514,833.60 = 7,152,108.75/x - Step 3: Cross multiply
7,714,107.63x = 11,514,833.60 × 7,152,108.75 - Step 4: Simplify right side
7,714,107.63x = 82,355,342,109,593.47 - Step 5: Solve for x
x = 82,355,342,109,593.47/7,714,107.63 - Step 6: Final answer
x = 10,675,938.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.