Finding the Fourth Proportional to 17,676,821.97, 26,521,709.92 and 7,444,257.68
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Solution
The fourth proportional to 17,676,821.97, 26,521,709.92 and 7,444,257.68 is: 11,169,114.17
Step by Step Solution
- Step 1: Write the proportion equation
17,676,821.97 : 26,521,709.92 = 7,444,257.68 : x - Step 2: Convert to fraction form
17,676,821.97/26,521,709.92 = 7,444,257.68/x - Step 3: Cross multiply
17,676,821.97x = 26,521,709.92 × 7,444,257.68 - Step 4: Simplify right side
17,676,821.97x = 197,434,442,806,385.81 - Step 5: Solve for x
x = 197,434,442,806,385.81/17,676,821.97 - Step 6: Final answer
x = 11,169,114.17
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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.