Finding the Fourth Proportional to 8,492,538.36, 11,719,621.38 and 4,625,124.12
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Solution
The fourth proportional to 8,492,538.36, 11,719,621.38 and 4,625,124.12 is: 6,382,626.87
Step by Step Solution
- Step 1: Write the proportion equation
8,492,538.36 : 11,719,621.38 = 4,625,124.12 : x - Step 2: Convert to fraction form
8,492,538.36/11,719,621.38 = 4,625,124.12/x - Step 3: Cross multiply
8,492,538.36x = 11,719,621.38 × 4,625,124.12 - Step 4: Simplify right side
8,492,538.36x = 54,204,703,521,905.69 - Step 5: Solve for x
x = 54,204,703,521,905.69/8,492,538.36 - Step 6: Final answer
x = 6,382,626.87
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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.