Finding the Fourth Proportional to 11,104,925.91, 15,324,161.89 and 6,143,071.24
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Solution
The fourth proportional to 11,104,925.91, 15,324,161.89 and 6,143,071.24 is: 8,477,086.56
Step by Step Solution
- Step 1: Write the proportion equation
11,104,925.91 : 15,324,161.89 = 6,143,071.24 : x - Step 2: Convert to fraction form
11,104,925.91/15,324,161.89 = 6,143,071.24/x - Step 3: Cross multiply
11,104,925.91x = 15,324,161.89 × 6,143,071.24 - Step 4: Simplify right side
11,104,925.91x = 94,137,418,183,563.05 - Step 5: Solve for x
x = 94,137,418,183,563.05/11,104,925.91 - Step 6: Final answer
x = 8,477,086.56
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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.