Finding the Fourth Proportional to 8,592,369.12, 12,891,243.68 and 2,839,145.09
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Solution
The fourth proportional to 8,592,369.12, 12,891,243.68 and 2,839,145.09 is: 4,259,606.47
Step by Step Solution
- Step 1: Write the proportion equation
8,592,369.12 : 12,891,243.68 = 2,839,145.09 : x - Step 2: Convert to fraction form
8,592,369.12/12,891,243.68 = 2,839,145.09/x - Step 3: Cross multiply
8,592,369.12x = 12,891,243.68 × 2,839,145.09 - Step 4: Simplify right side
8,592,369.12x = 36,600,111,119,413.59 - Step 5: Solve for x
x = 36,600,111,119,413.59/8,592,369.12 - Step 6: Final answer
x = 4,259,606.47
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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.