Finding the Fourth Proportional to 31,529,887.62, 43,511,225.67 and 17,043,199.62
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Solution
The fourth proportional to 31,529,887.62, 43,511,225.67 and 17,043,199.62 is: 23,519,605.07
Step by Step Solution
- Step 1: Write the proportion equation
31,529,887.62 : 43,511,225.67 = 17,043,199.62 : x - Step 2: Convert to fraction form
31,529,887.62/43,511,225.67 = 17,043,199.62/x - Step 3: Cross multiply
31,529,887.62x = 43,511,225.67 × 17,043,199.62 - Step 4: Simplify right side
31,529,887.62x = 741,570,504,804,678.38 - Step 5: Solve for x
x = 741,570,504,804,678.38/31,529,887.62 - Step 6: Final answer
x = 23,519,605.07
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1.5x scale
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.