Finding the Fourth Proportional to 18,585,621.64, 27,878,371.26 and 4,940,141.32
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Solution
The fourth proportional to 18,585,621.64, 27,878,371.26 and 4,940,141.32 is: 7,410,195.71
Step by Step Solution
- Step 1: Write the proportion equation
18,585,621.64 : 27,878,371.26 = 4,940,141.32 : x - Step 2: Convert to fraction form
18,585,621.64/27,878,371.26 = 4,940,141.32/x - Step 3: Cross multiply
18,585,621.64x = 27,878,371.26 × 4,940,141.32 - Step 4: Simplify right side
18,585,621.64x = 137,723,093,795,826.48 - Step 5: Solve for x
x = 137,723,093,795,826.48/18,585,621.64 - Step 6: Final answer
x = 7,410,195.71
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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.