Finding the Fourth Proportional to 10,728,476.87, 16,072,464.68 and 6,338,517.15
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Solution
The fourth proportional to 10,728,476.87, 16,072,464.68 and 6,338,517.15 is: 9,495,811.41
Step by Step Solution
- Step 1: Write the proportion equation
10,728,476.87 : 16,072,464.68 = 6,338,517.15 : x - Step 2: Convert to fraction form
10,728,476.87/16,072,464.68 = 6,338,517.15/x - Step 3: Cross multiply
10,728,476.87x = 16,072,464.68 × 6,338,517.15 - Step 4: Simplify right side
10,728,476.87x = 101,875,593,045,528.42 - Step 5: Solve for x
x = 101,875,593,045,528.42/10,728,476.87 - Step 6: Final answer
x = 9,495,811.41
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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.