Finding the Fourth Proportional to 29,347,673.30, 43,998,357.31 and 18,542,198.38
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Solution
The fourth proportional to 29,347,673.30, 43,998,357.31 and 18,542,198.38 is: 27,798,669.47
Step by Step Solution
- Step 1: Write the proportion equation
29,347,673.30 : 43,998,357.31 = 18,542,198.38 : x - Step 2: Convert to fraction form
29,347,673.30/43,998,357.31 = 18,542,198.38/x - Step 3: Cross multiply
29,347,673.30x = 43,998,357.31 × 18,542,198.38 - Step 4: Simplify right side
29,347,673.30x = 815,826,269,636,143.12 - Step 5: Solve for x
x = 815,826,269,636,143.12/29,347,673.30 - Step 6: Final answer
x = 27,798,669.47
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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.