Finding the Fourth Proportional to 12,036,950.73, 16,610,990.05 and 6,880,422.99
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Solution
The fourth proportional to 12,036,950.73, 16,610,990.05 and 6,880,422.99 is: 9,494,982.61
Step by Step Solution
- Step 1: Write the proportion equation
12,036,950.73 : 16,610,990.05 = 6,880,422.99 : x - Step 2: Convert to fraction form
12,036,950.73/16,610,990.05 = 6,880,422.99/x - Step 3: Cross multiply
12,036,950.73x = 16,610,990.05 × 6,880,422.99 - Step 4: Simplify right side
12,036,950.73x = 114,290,637,897,573 - Step 5: Solve for x
x = 114,290,637,897,573/12,036,950.73 - Step 6: Final answer
x = 9,494,982.61
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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.