Finding the Fourth Proportional to 19,453,127.22, 29,179,651.68 and 18,269,342.46
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Solution
The fourth proportional to 19,453,127.22, 29,179,651.68 and 18,269,342.46 is: 27,403,976.92
Step by Step Solution
- Step 1: Write the proportion equation
19,453,127.22 : 29,179,651.68 = 18,269,342.46 : x - Step 2: Convert to fraction form
19,453,127.22/29,179,651.68 = 18,269,342.46/x - Step 3: Cross multiply
19,453,127.22x = 29,179,651.68 × 18,269,342.46 - Step 4: Simplify right side
19,453,127.22x = 533,093,049,405,434.38 - Step 5: Solve for x
x = 533,093,049,405,434.38/19,453,127.22 - Step 6: Final answer
x = 27,403,976.92
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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.