Finding the Fourth Proportional to 7,883,698.70, 11,822,092.05 and 3,622,450.70
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Solution
The fourth proportional to 7,883,698.70, 11,822,092.05 and 3,622,450.70 is: 5,432,088.07
Step by Step Solution
- Step 1: Write the proportion equation
7,883,698.70 : 11,822,092.05 = 3,622,450.70 : x - Step 2: Convert to fraction form
7,883,698.70/11,822,092.05 = 3,622,450.70/x - Step 3: Cross multiply
7,883,698.70x = 11,822,092.05 × 3,622,450.70 - Step 4: Simplify right side
7,883,698.70x = 42,824,945,621,986.94 - Step 5: Solve for x
x = 42,824,945,621,986.94/7,883,698.70 - Step 6: Final answer
x = 5,432,088.07
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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.