Finding the Fourth Proportional to 11,176,728.75, 16,765,248.65 and 3,198,552.75
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Solution
The fourth proportional to 11,176,728.75, 16,765,248.65 and 3,198,552.75 is: 4,797,873.63
Step by Step Solution
- Step 1: Write the proportion equation
11,176,728.75 : 16,765,248.65 = 3,198,552.75 : x - Step 2: Convert to fraction form
11,176,728.75/16,765,248.65 = 3,198,552.75/x - Step 3: Cross multiply
11,176,728.75x = 16,765,248.65 × 3,198,552.75 - Step 4: Simplify right side
11,176,728.75x = 53,624,532,157,898.52 - Step 5: Solve for x
x = 53,624,532,157,898.52/11,176,728.75 - Step 6: Final answer
x = 4,797,873.63
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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.