Finding the Fourth Proportional to 7,678,840.94, 10,596,609.96 and 4,415,577.92
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Solution
The fourth proportional to 7,678,840.94, 10,596,609.96 and 4,415,577.92 is: 6,093,387.96
Step by Step Solution
- Step 1: Write the proportion equation
7,678,840.94 : 10,596,609.96 = 4,415,577.92 : x - Step 2: Convert to fraction form
7,678,840.94/10,596,609.96 = 4,415,577.92/x - Step 3: Cross multiply
7,678,840.94x = 10,596,609.96 × 4,415,577.92 - Step 4: Simplify right side
7,678,840.94x = 46,790,156,966,228.09 - Step 5: Solve for x
x = 46,790,156,966,228.09/7,678,840.94 - Step 6: Final answer
x = 6,093,387.96
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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.