Finding the Fourth Proportional to 21,592,596.87, 29,797,785.09 and 11,803,079.84
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Solution
The fourth proportional to 21,592,596.87, 29,797,785.09 and 11,803,079.84 is: 16,288,250.94
Step by Step Solution
- Step 1: Write the proportion equation
21,592,596.87 : 29,797,785.09 = 11,803,079.84 : x - Step 2: Convert to fraction form
21,592,596.87/29,797,785.09 = 11,803,079.84/x - Step 3: Cross multiply
21,592,596.87x = 29,797,785.09 × 11,803,079.84 - Step 4: Simplify right side
21,592,596.87x = 351,705,636,323,442.69 - Step 5: Solve for x
x = 351,705,636,323,442.69/21,592,596.87 - Step 6: Final answer
x = 16,288,250.94
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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.