Finding the Fourth Proportional to 14,611,974.12, 20,148,022.92 and 10,929,087.99
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Solution
The fourth proportional to 14,611,974.12, 20,148,022.92 and 10,929,087.99 is: 15,069,799.16
Step by Step Solution
- Step 1: Write the proportion equation
14,611,974.12 : 20,148,022.92 = 10,929,087.99 : x - Step 2: Convert to fraction form
14,611,974.12/20,148,022.92 = 10,929,087.99/x - Step 3: Cross multiply
14,611,974.12x = 20,148,022.92 × 10,929,087.99 - Step 4: Simplify right side
14,611,974.12x = 220,199,515,317,216.75 - Step 5: Solve for x
x = 220,199,515,317,216.75/14,611,974.12 - Step 6: Final answer
x = 15,069,799.16
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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.