Finding the Fourth Proportional to 12,163,979.98, 16,786,336.84 and 6,582,226.52
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Solution
The fourth proportional to 12,163,979.98, 16,786,336.84 and 6,582,226.52 is: 9,083,496.66
Step by Step Solution
- Step 1: Write the proportion equation
12,163,979.98 : 16,786,336.84 = 6,582,226.52 : x - Step 2: Convert to fraction form
12,163,979.98/16,786,336.84 = 6,582,226.52/x - Step 3: Cross multiply
12,163,979.98x = 16,786,336.84 × 6,582,226.52 - Step 4: Simplify right side
12,163,979.98x = 110,491,471,446,197.08 - Step 5: Solve for x
x = 110,491,471,446,197.08/12,163,979.98 - Step 6: Final answer
x = 9,083,496.66
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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.