Finding the Fourth Proportional to 10,315,596.20, 14,235,843.18 and 5,669,296.92
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Solution
The fourth proportional to 10,315,596.20, 14,235,843.18 and 5,669,296.92 is: 7,823,805.85
Step by Step Solution
- Step 1: Write the proportion equation
10,315,596.20 : 14,235,843.18 = 5,669,296.92 : x - Step 2: Convert to fraction form
10,315,596.20/14,235,843.18 = 5,669,296.92/x - Step 3: Cross multiply
10,315,596.20x = 14,235,843.18 × 5,669,296.92 - Step 4: Simplify right side
10,315,596.20x = 80,707,221,893,977 - Step 5: Solve for x
x = 80,707,221,893,977/10,315,596.20 - Step 6: Final answer
x = 7,823,805.85
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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.