Finding the Fourth Proportional to 16,129,611.40, 24,193,898.70 and 5,347,409.80
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Solution
The fourth proportional to 16,129,611.40, 24,193,898.70 and 5,347,409.80 is: 8,020,942.84
Step by Step Solution
- Step 1: Write the proportion equation
16,129,611.40 : 24,193,898.70 = 5,347,409.80 : x - Step 2: Convert to fraction form
16,129,611.40/24,193,898.70 = 5,347,409.80/x - Step 3: Cross multiply
16,129,611.40x = 24,193,898.70 × 5,347,409.80 - Step 4: Simplify right side
16,129,611.40x = 129,374,691,008,587.25 - Step 5: Solve for x
x = 129,374,691,008,587.25/16,129,611.40 - Step 6: Final answer
x = 8,020,942.84
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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.