Finding the Fourth Proportional to 22,634,407.26, 31,235,485.68 and 12,321,207.54
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Solution
The fourth proportional to 22,634,407.26, 31,235,485.68 and 12,321,207.54 is: 17,003,268.40
Step by Step Solution
- Step 1: Write the proportion equation
22,634,407.26 : 31,235,485.68 = 12,321,207.54 : x - Step 2: Convert to fraction form
22,634,407.26/31,235,485.68 = 12,321,207.54/x - Step 3: Cross multiply
22,634,407.26x = 31,235,485.68 × 12,321,207.54 - Step 4: Simplify right side
22,634,407.26x = 384,858,901,675,978 - Step 5: Solve for x
x = 384,858,901,675,978/22,634,407.26 - Step 6: Final answer
x = 17,003,268.40
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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.