Finding the Fourth Proportional to 20,992,475.24, 31,490,517.18 and 5,846,406.76
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Solution
The fourth proportional to 20,992,475.24, 31,490,517.18 and 5,846,406.76 is: 8,770,112.64
Step by Step Solution
- Step 1: Write the proportion equation
20,992,475.24 : 31,490,517.18 = 5,846,406.76 : x - Step 2: Convert to fraction form
20,992,475.24/31,490,517.18 = 5,846,406.76/x - Step 3: Cross multiply
20,992,475.24x = 31,490,517.18 × 5,846,406.76 - Step 4: Simplify right side
20,992,475.24x = 184,106,372,517,048.12 - Step 5: Solve for x
x = 184,106,372,517,048.12/20,992,475.24 - Step 6: Final answer
x = 8,770,112.64
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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.