Finding the Fourth Proportional to 11,825,643.20, 17,738,464.80 and 4,251,624.80
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Solution
The fourth proportional to 11,825,643.20, 17,738,464.80 and 4,251,624.80 is: 6,377,437.20
Step by Step Solution
- Step 1: Write the proportion equation
11,825,643.20 : 17,738,464.80 = 4,251,624.80 : x - Step 2: Convert to fraction form
11,825,643.20/17,738,464.80 = 4,251,624.80/x - Step 3: Cross multiply
11,825,643.20x = 17,738,464.80 × 4,251,624.80 - Step 4: Simplify right side
11,825,643.20x = 75,417,296,857,607.05 - Step 5: Solve for x
x = 75,417,296,857,607.05/11,825,643.20 - Step 6: Final answer
x = 6,377,437.20
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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.