Finding the Fourth Proportional to 10,789,709.68, 16,170,614.12 and 8,072,717.57
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Solution
The fourth proportional to 10,789,709.68, 16,170,614.12 and 8,072,717.57 is: 12,098,638.85
Step by Step Solution
- Step 1: Write the proportion equation
10,789,709.68 : 16,170,614.12 = 8,072,717.57 : x - Step 2: Convert to fraction form
10,789,709.68/16,170,614.12 = 8,072,717.57/x - Step 3: Cross multiply
10,789,709.68x = 16,170,614.12 × 8,072,717.57 - Step 4: Simplify right side
10,789,709.68x = 130,540,800,724,214.09 - Step 5: Solve for x
x = 130,540,800,724,214.09/10,789,709.68 - Step 6: Final answer
x = 12,098,638.85
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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.