Finding the Fourth Proportional to 39,820,709.08, 59,743,464.72 and 14,261,939.92
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Solution
The fourth proportional to 39,820,709.08, 59,743,464.72 and 14,261,939.92 is: 21,397,351.38
Step by Step Solution
- Step 1: Write the proportion equation
39,820,709.08 : 59,743,464.72 = 14,261,939.92 : x - Step 2: Convert to fraction form
39,820,709.08/59,743,464.72 = 14,261,939.92/x - Step 3: Cross multiply
39,820,709.08x = 59,743,464.72 × 14,261,939.92 - Step 4: Simplify right side
39,820,709.08x = 852,057,704,449,279.62 - Step 5: Solve for x
x = 852,057,704,449,279.62/39,820,709.08 - Step 6: Final answer
x = 21,397,351.38
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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.