Finding the Fourth Proportional to 17,217,517.72, 23,761,249.02 and 9,482,557.99
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Solution
The fourth proportional to 17,217,517.72, 23,761,249.02 and 9,482,557.99 is: 13,086,521.84
Step by Step Solution
- Step 1: Write the proportion equation
17,217,517.72 : 23,761,249.02 = 9,482,557.99 : x - Step 2: Convert to fraction form
17,217,517.72/23,761,249.02 = 9,482,557.99/x - Step 3: Cross multiply
17,217,517.72x = 23,761,249.02 × 9,482,557.99 - Step 4: Simplify right side
17,217,517.72x = 225,317,421,746,980.66 - Step 5: Solve for x
x = 225,317,421,746,980.66/17,217,517.72 - Step 6: Final answer
x = 13,086,521.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.