Finding the Fourth Proportional to 13,471,986.24, 20,194,359.84 and 5,800,633.92
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Solution
The fourth proportional to 13,471,986.24, 20,194,359.84 and 5,800,633.92 is: 8,695,086.72
Step by Step Solution
- Step 1: Write the proportion equation
13,471,986.24 : 20,194,359.84 = 5,800,633.92 : x - Step 2: Convert to fraction form
13,471,986.24/20,194,359.84 = 5,800,633.92/x - Step 3: Cross multiply
13,471,986.24x = 20,194,359.84 × 5,800,633.92 - Step 4: Simplify right side
13,471,986.24x = 117,140,088,680,589.77 - Step 5: Solve for x
x = 117,140,088,680,589.77/13,471,986.24 - Step 6: Final answer
x = 8,695,086.72
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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.