Finding the Fourth Proportional to 8,871,575.96, 12,240,447.90 and 5,198,520.44
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Solution
The fourth proportional to 8,871,575.96, 12,240,447.90 and 5,198,520.44 is: 7,172,594.69
Step by Step Solution
- Step 1: Write the proportion equation
8,871,575.96 : 12,240,447.90 = 5,198,520.44 : x - Step 2: Convert to fraction form
8,871,575.96/12,240,447.90 = 5,198,520.44/x - Step 3: Cross multiply
8,871,575.96x = 12,240,447.90 × 5,198,520.44 - Step 4: Simplify right side
8,871,575.96x = 63,632,218,602,905.09 - Step 5: Solve for x
x = 63,632,218,602,905.09/8,871,575.96 - Step 6: Final answer
x = 7,172,594.69
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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.