Finding the Fourth Proportional to 19,790,788.94, 29,660,329.37 and 11,036,718.19
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Solution
The fourth proportional to 19,790,788.94, 29,660,329.37 and 11,036,718.19 is: 16,540,659.28
Step by Step Solution
- Step 1: Write the proportion equation
19,790,788.94 : 29,660,329.37 = 11,036,718.19 : x - Step 2: Convert to fraction form
19,790,788.94/29,660,329.37 = 11,036,718.19/x - Step 3: Cross multiply
19,790,788.94x = 29,660,329.37 × 11,036,718.19 - Step 4: Simplify right side
19,790,788.94x = 327,352,696,743,937.44 - Step 5: Solve for x
x = 327,352,696,743,937.44/19,790,788.94 - Step 6: Final answer
x = 16,540,659.28
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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.