Finding the Fourth Proportional to 31,202,968.16, 43,062,297.36 and 17,453,211.68
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Solution
The fourth proportional to 31,202,968.16, 43,062,297.36 and 17,453,211.68 is: 24,086,663.40
Step by Step Solution
- Step 1: Write the proportion equation
31,202,968.16 : 43,062,297.36 = 17,453,211.68 : x - Step 2: Convert to fraction form
31,202,968.16/43,062,297.36 = 17,453,211.68/x - Step 3: Cross multiply
31,202,968.16x = 43,062,297.36 × 17,453,211.68 - Step 4: Simplify right side
31,202,968.16x = 751,575,391,251,185.12 - Step 5: Solve for x
x = 751,575,391,251,185.12/31,202,968.16 - Step 6: Final answer
x = 24,086,663.40
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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.