Finding the Fourth Proportional to 11,286,546.42, 16,925,487.35 and 4,805,512.73
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Solution
The fourth proportional to 11,286,546.42, 16,925,487.35 and 4,805,512.73 is: 7,206,424.52
Step by Step Solution
- Step 1: Write the proportion equation
11,286,546.42 : 16,925,487.35 = 4,805,512.73 : x - Step 2: Convert to fraction form
11,286,546.42/16,925,487.35 = 4,805,512.73/x - Step 3: Cross multiply
11,286,546.42x = 16,925,487.35 × 4,805,512.73 - Step 4: Simplify right side
11,286,546.42x = 81,335,644,813,223.95 - Step 5: Solve for x
x = 81,335,644,813,223.95/11,286,546.42 - Step 6: Final answer
x = 7,206,424.52
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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.