Finding the Fourth Proportional to 20,968,062.24, 28,944,854.64 and 14,096,529.84
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Solution
The fourth proportional to 20,968,062.24, 28,944,854.64 and 14,096,529.84 is: 19,459,213.85
Step by Step Solution
- Step 1: Write the proportion equation
20,968,062.24 : 28,944,854.64 = 14,096,529.84 : x - Step 2: Convert to fraction form
20,968,062.24/28,944,854.64 = 14,096,529.84/x - Step 3: Cross multiply
20,968,062.24x = 28,944,854.64 × 14,096,529.84 - Step 4: Simplify right side
20,968,062.24x = 408,022,007,147,222.44 - Step 5: Solve for x
x = 408,022,007,147,222.44/20,968,062.24 - Step 6: Final answer
x = 19,459,213.85
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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.