Finding the Fourth Proportional to 11,611,517.67, 17,415,239.85 and 4,423,482.90
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Solution
The fourth proportional to 11,611,517.67, 17,415,239.85 and 4,423,482.90 is: 6,634,448.47
Step by Step Solution
- Step 1: Write the proportion equation
11,611,517.67 : 17,415,239.85 = 4,423,482.90 : x - Step 2: Convert to fraction form
11,611,517.67/17,415,239.85 = 4,423,482.90/x - Step 3: Cross multiply
11,611,517.67x = 17,415,239.85 × 4,423,482.90 - Step 4: Simplify right side
11,611,517.67x = 77,036,015,675,873.58 - Step 5: Solve for x
x = 77,036,015,675,873.58/11,611,517.67 - Step 6: Final answer
x = 6,634,448.47
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1.5x scale
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.