Finding the Fourth Proportional to 6,763,917.98, 10,135,240.86 and 5,230,656.02
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Solution
The fourth proportional to 6,763,917.98, 10,135,240.86 and 5,230,656.02 is: 7,837,758.94
Step by Step Solution
- Step 1: Write the proportion equation
6,763,917.98 : 10,135,240.86 = 5,230,656.02 : x - Step 2: Convert to fraction form
6,763,917.98/10,135,240.86 = 5,230,656.02/x - Step 3: Cross multiply
6,763,917.98x = 10,135,240.86 × 5,230,656.02 - Step 4: Simplify right side
6,763,917.98x = 53,013,958,618,508.97 - Step 5: Solve for x
x = 53,013,958,618,508.97/6,763,917.98 - Step 6: Final answer
x = 7,837,758.94
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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.