Finding the Fourth Proportional to 12,073,753.87, 16,660,266.98 and 8,162,021.07
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Solution
The fourth proportional to 12,073,753.87, 16,660,266.98 and 8,162,021.07 is: 11,262,566.02
Step by Step Solution
- Step 1: Write the proportion equation
12,073,753.87 : 16,660,266.98 = 8,162,021.07 : x - Step 2: Convert to fraction form
12,073,753.87/16,660,266.98 = 8,162,021.07/x - Step 3: Cross multiply
12,073,753.87x = 16,660,266.98 × 8,162,021.07 - Step 4: Simplify right side
12,073,753.87x = 135,981,450,081,775.17 - Step 5: Solve for x
x = 135,981,450,081,775.17/12,073,753.87 - Step 6: Final answer
x = 11,262,566.02
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1.5x scale
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.