Finding the Fourth Proportional to 7,795,208.64, 11,692,616.12 and 2,115,285.33
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Solution
The fourth proportional to 7,795,208.64, 11,692,616.12 and 2,115,285.33 is: 3,172,874.58
Step by Step Solution
- Step 1: Write the proportion equation
7,795,208.64 : 11,692,616.12 = 2,115,285.33 : x - Step 2: Convert to fraction form
7,795,208.64/11,692,616.12 = 2,115,285.33/x - Step 3: Cross multiply
7,795,208.64x = 11,692,616.12 × 2,115,285.33 - Step 4: Simplify right side
7,795,208.64x = 24,733,219,289,494.44 - Step 5: Solve for x
x = 24,733,219,289,494.44/7,795,208.64 - Step 6: Final answer
x = 3,172,874.58
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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.