Finding the Fourth Proportional to 12,204,792.18, 18,299,880.72 and 4,117,588.74
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Solution
The fourth proportional to 12,204,792.18, 18,299,880.72 and 4,117,588.74 is: 6,173,917.73
Step by Step Solution
- Step 1: Write the proportion equation
12,204,792.18 : 18,299,880.72 = 4,117,588.74 : x - Step 2: Convert to fraction form
12,204,792.18/18,299,880.72 = 4,117,588.74/x - Step 3: Cross multiply
12,204,792.18x = 18,299,880.72 × 4,117,588.74 - Step 4: Simplify right side
12,204,792.18x = 75,351,382,796,015.09 - Step 5: Solve for x
x = 75,351,382,796,015.09/12,204,792.18 - Step 6: Final answer
x = 6,173,917.73
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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.