Finding the Fourth Proportional to 7,685,726.31, 11,529,184.68 and 2,568,173.94
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Solution
The fourth proportional to 7,685,726.31, 11,529,184.68 and 2,568,173.94 is: 3,852,459.80
Step by Step Solution
- Step 1: Write the proportion equation
7,685,726.31 : 11,529,184.68 = 2,568,173.94 : x - Step 2: Convert to fraction form
7,685,726.31/11,529,184.68 = 2,568,173.94/x - Step 3: Cross multiply
7,685,726.31x = 11,529,184.68 × 2,568,173.94 - Step 4: Simplify right side
7,685,726.31x = 29,608,951,644,623.24 - Step 5: Solve for x
x = 29,608,951,644,623.24/7,685,726.31 - Step 6: Final answer
x = 3,852,459.80
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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.