Finding the Fourth Proportional to 10,977,554.19, 15,149,243.97 and 6,394,170.81
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Solution
The fourth proportional to 10,977,554.19, 15,149,243.97 and 6,394,170.81 is: 8,824,083.39
Step by Step Solution
- Step 1: Write the proportion equation
10,977,554.19 : 15,149,243.97 = 6,394,170.81 : x - Step 2: Convert to fraction form
10,977,554.19/15,149,243.97 = 6,394,170.81/x - Step 3: Cross multiply
10,977,554.19x = 15,149,243.97 × 6,394,170.81 - Step 4: Simplify right side
10,977,554.19x = 96,866,853,586,542.52 - Step 5: Solve for x
x = 96,866,853,586,542.52/10,977,554.19 - Step 6: Final answer
x = 8,824,083.39
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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.