Finding the Fourth Proportional to 13,310,570.43, 19,974,121.29 and 8,521,696.53
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Solution
The fourth proportional to 13,310,570.43, 19,974,121.29 and 8,521,696.53 is: 12,787,836.63
Step by Step Solution
- Step 1: Write the proportion equation
13,310,570.43 : 19,974,121.29 = 8,521,696.53 : x - Step 2: Convert to fraction form
13,310,570.43/19,974,121.29 = 8,521,696.53/x - Step 3: Cross multiply
13,310,570.43x = 19,974,121.29 × 8,521,696.53 - Step 4: Simplify right side
13,310,570.43x = 170,213,400,086,792.09 - Step 5: Solve for x
x = 170,213,400,086,792.09/13,310,570.43 - Step 6: Final answer
x = 12,787,836.63
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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.