Finding the Fourth Proportional to 32,361,006.80, 48,478,524.60 and 19,543,437.20
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Solution
The fourth proportional to 32,361,006.80, 48,478,524.60 and 19,543,437.20 is: 29,277,117.58
Step by Step Solution
- Step 1: Write the proportion equation
32,361,006.80 : 48,478,524.60 = 19,543,437.20 : x - Step 2: Convert to fraction form
32,361,006.80/48,478,524.60 = 19,543,437.20/x - Step 3: Cross multiply
32,361,006.80x = 48,478,524.60 × 19,543,437.20 - Step 4: Simplify right side
32,361,006.80x = 947,437,001,068,755.12 - Step 5: Solve for x
x = 947,437,001,068,755.12/32,361,006.80 - Step 6: Final answer
x = 29,277,117.58
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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.