Finding the Fourth Proportional to 19,228,183.05, 28,842,274.58 and 18,556,336.65
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Solution
The fourth proportional to 19,228,183.05, 28,842,274.58 and 18,556,336.65 is: 27,834,504.98
Step by Step Solution
- Step 1: Write the proportion equation
19,228,183.05 : 28,842,274.58 = 18,556,336.65 : x - Step 2: Convert to fraction form
19,228,183.05/28,842,274.58 = 18,556,336.65/x - Step 3: Cross multiply
19,228,183.05x = 28,842,274.58 × 18,556,336.65 - Step 4: Simplify right side
19,228,183.05x = 535,206,956,765,435.62 - Step 5: Solve for x
x = 535,206,956,765,435.62/19,228,183.05 - Step 6: Final answer
x = 27,834,504.98
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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.