Finding the Fourth Proportional to 33,882,138.29, 46,757,315.25 and 18,412,189.85
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Solution
The fourth proportional to 33,882,138.29, 46,757,315.25 and 18,412,189.85 is: 25,408,802.65
Step by Step Solution
- Step 1: Write the proportion equation
33,882,138.29 : 46,757,315.25 = 18,412,189.85 : x - Step 2: Convert to fraction form
33,882,138.29/46,757,315.25 = 18,412,189.85/x - Step 3: Cross multiply
33,882,138.29x = 46,757,315.25 × 18,412,189.85 - Step 4: Simplify right side
33,882,138.29x = 860,904,565,259,300.25 - Step 5: Solve for x
x = 860,904,565,259,300.25/33,882,138.29 - Step 6: Final answer
x = 25,408,802.65
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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.