Finding the Fourth Proportional to 7,370,672.80, 10,171,538.22 and 4,107,415.94
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Solution
The fourth proportional to 7,370,672.80, 10,171,538.22 and 4,107,415.94 is: 5,668,239.43
Step by Step Solution
- Step 1: Write the proportion equation
7,370,672.80 : 10,171,538.22 = 4,107,415.94 : x - Step 2: Convert to fraction form
7,370,672.80/10,171,538.22 = 4,107,415.94/x - Step 3: Cross multiply
7,370,672.80x = 10,171,538.22 × 4,107,415.94 - Step 4: Simplify right side
7,370,672.80x = 41,778,738,219,147.23 - Step 5: Solve for x
x = 41,778,738,219,147.23/7,370,672.80 - Step 6: Final answer
x = 5,668,239.43
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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.