Finding the Fourth Proportional to 23,279,689.16, 34,859,910.36 and 19,431,944.48
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Solution
The fourth proportional to 23,279,689.16, 34,859,910.36 and 19,431,944.48 is: 29,098,148.09
Step by Step Solution
- Step 1: Write the proportion equation
23,279,689.16 : 34,859,910.36 = 19,431,944.48 : x - Step 2: Convert to fraction form
23,279,689.16/34,859,910.36 = 19,431,944.48/x - Step 3: Cross multiply
23,279,689.16x = 34,859,910.36 × 19,431,944.48 - Step 4: Simplify right side
23,279,689.16x = 677,395,842,693,296.88 - Step 5: Solve for x
x = 677,395,842,693,296.88/23,279,689.16 - Step 6: Final answer
x = 29,098,148.09
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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.