Finding the Fourth Proportional to 10,255,932.24, 15,378,218.56 and 4,194,920.53
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Solution
The fourth proportional to 10,255,932.24, 15,378,218.56 and 4,194,920.53 is: 6,290,057.62
Step by Step Solution
- Step 1: Write the proportion equation
10,255,932.24 : 15,378,218.56 = 4,194,920.53 : x - Step 2: Convert to fraction form
10,255,932.24/15,378,218.56 = 4,194,920.53/x - Step 3: Cross multiply
10,255,932.24x = 15,378,218.56 × 4,194,920.53 - Step 4: Simplify right side
10,255,932.24x = 64,510,404,752,171.05 - Step 5: Solve for x
x = 64,510,404,752,171.05/10,255,932.24 - Step 6: Final answer
x = 6,290,057.62
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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.