Finding the Fourth Proportional to 10,869,107.10, 16,308,089.19 and 5,479,310.94
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Solution
The fourth proportional to 10,869,107.10, 16,308,089.19 and 5,479,310.94 is: 8,221,198.92
Step by Step Solution
- Step 1: Write the proportion equation
10,869,107.10 : 16,308,089.19 = 5,479,310.94 : x - Step 2: Convert to fraction form
10,869,107.10/16,308,089.19 = 5,479,310.94/x - Step 3: Cross multiply
10,869,107.10x = 16,308,089.19 × 5,479,310.94 - Step 4: Simplify right side
10,869,107.10x = 89,357,091,509,262.75 - Step 5: Solve for x
x = 89,357,091,509,262.75/10,869,107.10 - Step 6: Final answer
x = 8,221,198.92
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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.