Finding the Fourth Proportional to 29,317,026.51, 40,440,687.75 and 18,284,622.66
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Solution
The fourth proportional to 29,317,026.51, 40,440,687.75 and 18,284,622.66 is: 25,222,295.83
Step by Step Solution
- Step 1: Write the proportion equation
29,317,026.51 : 40,440,687.75 = 18,284,622.66 : x - Step 2: Convert to fraction form
29,317,026.51/40,440,687.75 = 18,284,622.66/x - Step 3: Cross multiply
29,317,026.51x = 40,440,687.75 × 18,284,622.66 - Step 4: Simplify right side
29,317,026.51x = 739,442,715,619,634.38 - Step 5: Solve for x
x = 739,442,715,619,634.38/29,317,026.51 - Step 6: Final answer
x = 25,222,295.83
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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.