Finding the Fourth Proportional to 8,287,992.27, 12,440,471.81 and 6,844,075.07
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Solution
The fourth proportional to 8,287,992.27, 12,440,471.81 and 6,844,075.07 is: 10,273,118.04
Step by Step Solution
- Step 1: Write the proportion equation
8,287,992.27 : 12,440,471.81 = 6,844,075.07 : x - Step 2: Convert to fraction form
8,287,992.27/12,440,471.81 = 6,844,075.07/x - Step 3: Cross multiply
8,287,992.27x = 12,440,471.81 × 6,844,075.07 - Step 4: Simplify right side
8,287,992.27x = 85,143,522,877,436.05 - Step 5: Solve for x
x = 85,143,522,877,436.05/8,287,992.27 - Step 6: Final answer
x = 10,273,118.04
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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.