Finding the Fourth Proportional to 47,934,115.38, 71,901,698.04 and 13,855,756.50
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Solution
The fourth proportional to 47,934,115.38, 71,901,698.04 and 13,855,756.50 is: 20,783,786.50
Step by Step Solution
- Step 1: Write the proportion equation
47,934,115.38 : 71,901,698.04 = 13,855,756.50 : x - Step 2: Convert to fraction form
47,934,115.38/71,901,698.04 = 13,855,756.50/x - Step 3: Cross multiply
47,934,115.38x = 71,901,698.04 × 13,855,756.50 - Step 4: Simplify right side
47,934,115.38x = 996,252,419,978,767.38 - Step 5: Solve for x
x = 996,252,419,978,767.38/47,934,115.38 - Step 6: Final answer
x = 20,783,786.50
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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.