Finding the Fourth Proportional to 19,620,512.06, 29,410,983.84 and 12,339,175.42
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Solution
The fourth proportional to 19,620,512.06, 29,410,983.84 and 12,339,175.42 is: 18,496,320.97
Step by Step Solution
- Step 1: Write the proportion equation
19,620,512.06 : 29,410,983.84 = 12,339,175.42 : x - Step 2: Convert to fraction form
19,620,512.06/29,410,983.84 = 12,339,175.42/x - Step 3: Cross multiply
19,620,512.06x = 29,410,983.84 × 12,339,175.42 - Step 4: Simplify right side
19,620,512.06x = 362,907,288,729,490.25 - Step 5: Solve for x
x = 362,907,288,729,490.25/19,620,512.06 - Step 6: Final answer
x = 18,496,320.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.