Finding the Fourth Proportional to 8,267,961.09, 11,410,425.30 and 4,960,379.79
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Solution
The fourth proportional to 8,267,961.09, 11,410,425.30 and 4,960,379.79 is: 6,845,707.48
Step by Step Solution
- Step 1: Write the proportion equation
8,267,961.09 : 11,410,425.30 = 4,960,379.79 : x - Step 2: Convert to fraction form
8,267,961.09/11,410,425.30 = 4,960,379.79/x - Step 3: Cross multiply
8,267,961.09x = 11,410,425.30 × 4,960,379.79 - Step 4: Simplify right side
8,267,961.09x = 56,600,043,053,424.69 - Step 5: Solve for x
x = 56,600,043,053,424.69/8,267,961.09 - Step 6: Final answer
x = 6,845,707.48
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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.