Finding the Fourth Proportional to 18,631,299.57, 27,949,573.77 and 6,498,993.63
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Solution
The fourth proportional to 18,631,299.57, 27,949,573.77 and 6,498,993.63 is: 9,749,405.90
Step by Step Solution
- Step 1: Write the proportion equation
18,631,299.57 : 27,949,573.77 = 6,498,993.63 : x - Step 2: Convert to fraction form
18,631,299.57/27,949,573.77 = 6,498,993.63/x - Step 3: Cross multiply
18,631,299.57x = 27,949,573.77 × 6,498,993.63 - Step 4: Simplify right side
18,631,299.57x = 181,644,101,892,445.09 - Step 5: Solve for x
x = 181,644,101,892,445.09/18,631,299.57 - Step 6: Final answer
x = 9,749,405.90
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1.5x scale
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.