Finding the Fourth Proportional to 32,128,268.07, 44,373,514.67 and 21,656,223.17
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Solution
The fourth proportional to 32,128,268.07, 44,373,514.67 and 21,656,223.17 is: 29,910,194.18
Step by Step Solution
- Step 1: Write the proportion equation
32,128,268.07 : 44,373,514.67 = 21,656,223.17 : x - Step 2: Convert to fraction form
32,128,268.07/44,373,514.67 = 21,656,223.17/x - Step 3: Cross multiply
32,128,268.07x = 44,373,514.67 × 21,656,223.17 - Step 4: Simplify right side
32,128,268.07x = 960,962,736,530,789 - Step 5: Solve for x
x = 960,962,736,530,789/32,128,268.07 - Step 6: Final answer
x = 29,910,194.18
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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.