Finding the Fourth Proportional to 48,336,732.51, 72,504,388.79 and 11,945,121.99
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Solution
The fourth proportional to 48,336,732.51, 72,504,388.79 and 11,945,121.99 is: 17,917,507.54
Step by Step Solution
- Step 1: Write the proportion equation
48,336,732.51 : 72,504,388.79 = 11,945,121.99 : x - Step 2: Convert to fraction form
48,336,732.51/72,504,388.79 = 11,945,121.99/x - Step 3: Cross multiply
48,336,732.51x = 72,504,388.79 × 11,945,121.99 - Step 4: Simplify right side
48,336,732.51x = 866,073,768,994,339.25 - Step 5: Solve for x
x = 866,073,768,994,339.25/48,336,732.51 - Step 6: Final answer
x = 17,917,507.54
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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.