Finding the Fourth Proportional to 13,989,687.73, 20,985,280.44 and 4,405,812.55
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Solution
The fourth proportional to 13,989,687.73, 20,985,280.44 and 4,405,812.55 is: 6,608,954.66
Step by Step Solution
- Step 1: Write the proportion equation
13,989,687.73 : 20,985,280.44 = 4,405,812.55 : x - Step 2: Convert to fraction form
13,989,687.73/20,985,280.44 = 4,405,812.55/x - Step 3: Cross multiply
13,989,687.73x = 20,985,280.44 × 4,405,812.55 - Step 4: Simplify right side
13,989,687.73x = 92,457,211,858,836.53 - Step 5: Solve for x
x = 92,457,211,858,836.53/13,989,687.73 - Step 6: Final answer
x = 6,608,954.66
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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.