Finding the Fourth Proportional to 8,658,874.08, 12,986,211.60 and 3,607,428.96
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Solution
The fourth proportional to 8,658,874.08, 12,986,211.60 and 3,607,428.96 is: 5,410,268.75
Step by Step Solution
- Step 1: Write the proportion equation
8,658,874.08 : 12,986,211.60 = 3,607,428.96 : x - Step 2: Convert to fraction form
8,658,874.08/12,986,211.60 = 3,607,428.96/x - Step 3: Cross multiply
8,658,874.08x = 12,986,211.60 × 3,607,428.96 - Step 4: Simplify right side
8,658,874.08x = 46,846,835,806,527.94 - Step 5: Solve for x
x = 46,846,835,806,527.94/8,658,874.08 - Step 6: Final answer
x = 5,410,268.75
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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.