Finding the Fourth Proportional to 9,569,194.12, 13,205,806.68 and 5,218,517.80
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Solution
The fourth proportional to 9,569,194.12, 13,205,806.68 and 5,218,517.80 is: 7,201,728.42
Step by Step Solution
- Step 1: Write the proportion equation
9,569,194.12 : 13,205,806.68 = 5,218,517.80 : x - Step 2: Convert to fraction form
9,569,194.12/13,205,806.68 = 5,218,517.80/x - Step 3: Cross multiply
9,569,194.12x = 13,205,806.68 × 5,218,517.80 - Step 4: Simplify right side
9,569,194.12x = 68,914,737,222,938.90 - Step 5: Solve for x
x = 68,914,737,222,938.90/9,569,194.12 - Step 6: Final answer
x = 7,201,728.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.