Finding the Fourth Proportional to 46,539,828.46, 69,639,679.62 and 27,379,608.94
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Solution
The fourth proportional to 46,539,828.46, 69,639,679.62 and 27,379,608.94 is: 40,969,364.47
Step by Step Solution
- Step 1: Write the proportion equation
46,539,828.46 : 69,639,679.62 = 27,379,608.94 : x - Step 2: Convert to fraction form
46,539,828.46/69,639,679.62 = 27,379,608.94/x - Step 3: Cross multiply
46,539,828.46x = 69,639,679.62 × 27,379,608.94 - Step 4: Simplify right side
46,539,828.46x = 1,906,707,194,702,488 - Step 5: Solve for x
x = 1,906,707,194,702,488/46,539,828.46 - Step 6: Final answer
x = 40,969,364.47
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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.