Finding the Fourth Proportional to 12,198,146.49, 18,292,550.90 and 4,108,948.65
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Solution
The fourth proportional to 12,198,146.49, 18,292,550.90 and 4,108,948.65 is: 6,161,850.28
Step by Step Solution
- Step 1: Write the proportion equation
12,198,146.49 : 18,292,550.90 = 4,108,948.65 : x - Step 2: Convert to fraction form
12,198,146.49/18,292,550.90 = 4,108,948.65/x - Step 3: Cross multiply
12,198,146.49x = 18,292,550.90 × 4,108,948.65 - Step 4: Simplify right side
12,198,146.49x = 75,163,152,305,066.53 - Step 5: Solve for x
x = 75,163,152,305,066.53/12,198,146.49 - Step 6: Final answer
x = 6,161,850.28
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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.