Finding the Fourth Proportional to 19,519,912.08, 29,105,354.92 and 18,983,614.68
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Solution
The fourth proportional to 19,519,912.08, 29,105,354.92 and 18,983,614.68 is: 28,305,703.46
Step by Step Solution
- Step 1: Write the proportion equation
19,519,912.08 : 29,105,354.92 = 18,983,614.68 : x - Step 2: Convert to fraction form
19,519,912.08/29,105,354.92 = 18,983,614.68/x - Step 3: Cross multiply
19,519,912.08x = 29,105,354.92 × 18,983,614.68 - Step 4: Simplify right side
19,519,912.08x = 552,524,842,925,922.25 - Step 5: Solve for x
x = 552,524,842,925,922.25/19,519,912.08 - Step 6: Final answer
x = 28,305,703.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.