Finding the Fourth Proportional to 7,365,442.80, 11,029,501.80 and 5,872,450.80
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Solution
The fourth proportional to 7,365,442.80, 11,029,501.80 and 5,872,450.80 is: 8,793,796.71
Step by Step Solution
- Step 1: Write the proportion equation
7,365,442.80 : 11,029,501.80 = 5,872,450.80 : x - Step 2: Convert to fraction form
7,365,442.80/11,029,501.80 = 5,872,450.80/x - Step 3: Cross multiply
7,365,442.80x = 11,029,501.80 × 5,872,450.80 - Step 4: Simplify right side
7,365,442.80x = 64,770,206,669,011.45 - Step 5: Solve for x
x = 64,770,206,669,011.45/7,365,442.80 - Step 6: Final answer
x = 8,793,796.71
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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.