Finding the Fourth Proportional to 49,940,391.68, 74,915,571.84 and 13,549,352.96
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Solution
The fourth proportional to 49,940,391.68, 74,915,571.84 and 13,549,352.96 is: 20,325,381.74
Step by Step Solution
- Step 1: Write the proportion equation
49,940,391.68 : 74,915,571.84 = 13,549,352.96 : x - Step 2: Convert to fraction form
49,940,391.68/74,915,571.84 = 13,549,352.96/x - Step 3: Cross multiply
49,940,391.68x = 74,915,571.84 × 13,549,352.96 - Step 4: Simplify right side
49,940,391.68x = 1,015,057,525,060,396.75 - Step 5: Solve for x
x = 1,015,057,525,060,396.75/49,940,391.68 - Step 6: Final answer
x = 20,325,381.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.