Finding the Fourth Proportional to 23,207,062.11, 31,992,486.89 and 16,310,138.91
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Solution
The fourth proportional to 23,207,062.11, 31,992,486.89 and 16,310,138.91 is: 22,484,617.08
Step by Step Solution
- Step 1: Write the proportion equation
23,207,062.11 : 31,992,486.89 = 16,310,138.91 : x - Step 2: Convert to fraction form
23,207,062.11/31,992,486.89 = 16,310,138.91/x - Step 3: Cross multiply
23,207,062.11x = 31,992,486.89 × 16,310,138.91 - Step 4: Simplify right side
23,207,062.11x = 521,801,905,170,703.25 - Step 5: Solve for x
x = 521,801,905,170,703.25/23,207,062.11 - Step 6: Final answer
x = 22,484,617.08
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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.