Finding the Fourth Proportional to 7,284,859.14, 10,052,842.28 and 4,021,603.94
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Solution
The fourth proportional to 7,284,859.14, 10,052,842.28 and 4,021,603.94 is: 5,549,668.05
Step by Step Solution
- Step 1: Write the proportion equation
7,284,859.14 : 10,052,842.28 = 4,021,603.94 : x - Step 2: Convert to fraction form
7,284,859.14/10,052,842.28 = 4,021,603.94/x - Step 3: Cross multiply
7,284,859.14x = 10,052,842.28 × 4,021,603.94 - Step 4: Simplify right side
7,284,859.14x = 40,428,550,051,074.35 - Step 5: Solve for x
x = 40,428,550,051,074.35/7,284,859.14 - Step 6: Final answer
x = 5,549,668.05
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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.