Finding the Fourth Proportional to 19,091,593.09, 26,351,950.24 and 12,477,176.56
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Solution
The fourth proportional to 19,091,593.09, 26,351,950.24 and 12,477,176.56 is: 17,222,131.98
Step by Step Solution
- Step 1: Write the proportion equation
19,091,593.09 : 26,351,950.24 = 12,477,176.56 : x - Step 2: Convert to fraction form
19,091,593.09/26,351,950.24 = 12,477,176.56/x - Step 3: Cross multiply
19,091,593.09x = 26,351,950.24 × 12,477,176.56 - Step 4: Simplify right side
19,091,593.09x = 328,797,935,844,814.38 - Step 5: Solve for x
x = 328,797,935,844,814.38/19,091,593.09 - Step 6: Final answer
x = 17,222,131.98
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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.