Finding the Fourth Proportional to 16,129,331.40, 24,193,478.70 and 5,347,129.80
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Solution
The fourth proportional to 16,129,331.40, 24,193,478.70 and 5,347,129.80 is: 8,020,522.84
Step by Step Solution
- Step 1: Write the proportion equation
16,129,331.40 : 24,193,478.70 = 5,347,129.80 : x - Step 2: Convert to fraction form
16,129,331.40/24,193,478.70 = 5,347,129.80/x - Step 3: Cross multiply
16,129,331.40x = 24,193,478.70 × 5,347,129.80 - Step 4: Simplify right side
16,129,331.40x = 129,365,670,922,435.25 - Step 5: Solve for x
x = 129,365,670,922,435.25/16,129,331.40 - Step 6: Final answer
x = 8,020,522.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.