Finding the Fourth Proportional to 11,074,487.70, 16,611,731.55 and 8,834,999.70
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Solution
The fourth proportional to 11,074,487.70, 16,611,731.55 and 8,834,999.70 is: 13,252,499.55
Step by Step Solution
- Step 1: Write the proportion equation
11,074,487.70 : 16,611,731.55 = 8,834,999.70 : x - Step 2: Convert to fraction form
11,074,487.70/16,611,731.55 = 8,834,999.70/x - Step 3: Cross multiply
11,074,487.70x = 16,611,731.55 × 8,834,999.70 - Step 4: Simplify right side
11,074,487.70x = 146,764,643,260,730.53 - Step 5: Solve for x
x = 146,764,643,260,730.53/11,074,487.70 - Step 6: Final answer
x = 13,252,499.55
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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.