Finding the Fourth Proportional to 13,715,904.93, 20,559,455.49 and 4,614,843.09
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Solution
The fourth proportional to 13,715,904.93, 20,559,455.49 and 4,614,843.09 is: 6,917,418.98
Step by Step Solution
- Step 1: Write the proportion equation
13,715,904.93 : 20,559,455.49 = 4,614,843.09 : x - Step 2: Convert to fraction form
13,715,904.93/20,559,455.49 = 4,614,843.09/x - Step 3: Cross multiply
13,715,904.93x = 20,559,455.49 × 4,614,843.09 - Step 4: Simplify right side
13,715,904.93x = 94,878,661,102,189.05 - Step 5: Solve for x
x = 94,878,661,102,189.05/13,715,904.93 - Step 6: Final answer
x = 6,917,418.98
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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.