Finding the Fourth Proportional to 18,715,246.80, 28,072,870.20 and 6,586,582.20
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Solution
The fourth proportional to 18,715,246.80, 28,072,870.20 and 6,586,582.20 is: 9,879,873.30
Step by Step Solution
- Step 1: Write the proportion equation
18,715,246.80 : 28,072,870.20 = 6,586,582.20 : x - Step 2: Convert to fraction form
18,715,246.80/28,072,870.20 = 6,586,582.20/x - Step 3: Cross multiply
18,715,246.80x = 28,072,870.20 × 6,586,582.20 - Step 4: Simplify right side
18,715,246.80x = 184,904,267,162,230.44 - Step 5: Solve for x
x = 184,904,267,162,230.44/18,715,246.80 - Step 6: Final answer
x = 9,879,873.30
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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.