Finding the Fourth Proportional to 31,130,759.20, 46,570,167.60 and 27,351,623.20
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Solution
The fourth proportional to 31,130,759.20, 46,570,167.60 and 27,351,623.20 is: 40,916,755.94
Step by Step Solution
- Step 1: Write the proportion equation
31,130,759.20 : 46,570,167.60 = 27,351,623.20 : x - Step 2: Convert to fraction form
31,130,759.20/46,570,167.60 = 27,351,623.20/x - Step 3: Cross multiply
31,130,759.20x = 46,570,167.60 × 27,351,623.20 - Step 4: Simplify right side
31,130,759.20x = 1,273,769,676,556,048.25 - Step 5: Solve for x
x = 1,273,769,676,556,048.25/31,130,759.20 - Step 6: Final answer
x = 40,916,755.94
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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.