Finding the Fourth Proportional to 7,879,570.99, 10,873,974.03 and 4,441,812.01
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Solution
The fourth proportional to 7,879,570.99, 10,873,974.03 and 4,441,812.01 is: 6,129,794.19
Step by Step Solution
- Step 1: Write the proportion equation
7,879,570.99 : 10,873,974.03 = 4,441,812.01 : x - Step 2: Convert to fraction form
7,879,570.99/10,873,974.03 = 4,441,812.01/x - Step 3: Cross multiply
7,879,570.99x = 10,873,974.03 × 4,441,812.01 - Step 4: Simplify right side
7,879,570.99x = 48,300,148,442,882.09 - Step 5: Solve for x
x = 48,300,148,442,882.09/7,879,570.99 - Step 6: Final answer
x = 6,129,794.19
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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.