Finding the Fourth Proportional to 13,454,561.97, 18,560,839.32 and 8,806,301.19
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Solution
The fourth proportional to 13,454,561.97, 18,560,839.32 and 8,806,301.19 is: 12,148,469.92
Step by Step Solution
- Step 1: Write the proportion equation
13,454,561.97 : 18,560,839.32 = 8,806,301.19 : x - Step 2: Convert to fraction form
13,454,561.97/18,560,839.32 = 8,806,301.19/x - Step 3: Cross multiply
13,454,561.97x = 18,560,839.32 × 8,806,301.19 - Step 4: Simplify right side
13,454,561.97x = 163,452,341,391,114.78 - Step 5: Solve for x
x = 163,452,341,391,114.78/13,454,561.97 - Step 6: Final answer
x = 12,148,469.92
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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.