Finding the Fourth Proportional to 32,377,578.40, 48,560,146.80 and 9,659,216.80
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Solution
The fourth proportional to 32,377,578.40, 48,560,146.80 and 9,659,216.80 is: 14,486,969.35
Step by Step Solution
- Step 1: Write the proportion equation
32,377,578.40 : 48,560,146.80 = 9,659,216.80 : x - Step 2: Convert to fraction form
32,377,578.40/48,560,146.80 = 9,659,216.80/x - Step 3: Cross multiply
32,377,578.40x = 48,560,146.80 × 9,659,216.80 - Step 4: Simplify right side
32,377,578.40x = 469,052,985,781,026.25 - Step 5: Solve for x
x = 469,052,985,781,026.25/32,377,578.40 - Step 6: Final answer
x = 14,486,969.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.