Finding the Fourth Proportional to 8,122,206.15, 11,205,678.92 and 4,859,114.67
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Solution
The fourth proportional to 8,122,206.15, 11,205,678.92 and 4,859,114.67 is: 6,703,804.09
Step by Step Solution
- Step 1: Write the proportion equation
8,122,206.15 : 11,205,678.92 = 4,859,114.67 : x - Step 2: Convert to fraction form
8,122,206.15/11,205,678.92 = 4,859,114.67/x - Step 3: Cross multiply
8,122,206.15x = 11,205,678.92 × 4,859,114.67 - Step 4: Simplify right side
8,122,206.15x = 54,449,678,803,186.18 - Step 5: Solve for x
x = 54,449,678,803,186.18/8,122,206.15 - Step 6: Final answer
x = 6,703,804.09
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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.