Finding the Fourth Proportional to 9,876,285.87, 13,629,803.97 and 5,525,112.68
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Solution
The fourth proportional to 9,876,285.87, 13,629,803.97 and 5,525,112.68 is: 7,624,951.70
Step by Step Solution
- Step 1: Write the proportion equation
9,876,285.87 : 13,629,803.97 = 5,525,112.68 : x - Step 2: Convert to fraction form
9,876,285.87/13,629,803.97 = 5,525,112.68/x - Step 3: Cross multiply
9,876,285.87x = 13,629,803.97 × 5,525,112.68 - Step 4: Simplify right side
9,876,285.87x = 75,306,202,740,561.34 - Step 5: Solve for x
x = 75,306,202,740,561.34/9,876,285.87 - Step 6: Final answer
x = 7,624,951.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.