Finding the Fourth Proportional to 31,942,531.13, 44,080,692.98 and 18,192,774.65
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Solution
The fourth proportional to 31,942,531.13, 44,080,692.98 and 18,192,774.65 is: 25,106,029.02
Step by Step Solution
- Step 1: Write the proportion equation
31,942,531.13 : 44,080,692.98 = 18,192,774.65 : x - Step 2: Convert to fraction form
31,942,531.13/44,080,692.98 = 18,192,774.65/x - Step 3: Cross multiply
31,942,531.13x = 44,080,692.98 × 18,192,774.65 - Step 4: Simplify right side
31,942,531.13x = 801,950,113,489,609.62 - Step 5: Solve for x
x = 801,950,113,489,609.62/31,942,531.13 - Step 6: Final answer
x = 25,106,029.02
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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.