Finding the Fourth Proportional to 8,051,121.11, 11,110,293.99 and 4,379,943.65
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Solution
The fourth proportional to 8,051,121.11, 11,110,293.99 and 4,379,943.65 is: 6,044,184.51
Step by Step Solution
- Step 1: Write the proportion equation
8,051,121.11 : 11,110,293.99 = 4,379,943.65 : x - Step 2: Convert to fraction form
8,051,121.11/11,110,293.99 = 4,379,943.65/x - Step 3: Cross multiply
8,051,121.11x = 11,110,293.99 × 4,379,943.65 - Step 4: Simplify right side
8,051,121.11x = 48,662,461,555,582.19 - Step 5: Solve for x
x = 48,662,461,555,582.19/8,051,121.11 - Step 6: Final answer
x = 6,044,184.51
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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.