Finding the Fourth Proportional to 7,925,744.48, 10,940,875.36 and 5,350,912.80
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Solution
The fourth proportional to 7,925,744.48, 10,940,875.36 and 5,350,912.80 is: 7,386,519.99
Step by Step Solution
- Step 1: Write the proportion equation
7,925,744.48 : 10,940,875.36 = 5,350,912.80 : x - Step 2: Convert to fraction form
7,925,744.48/10,940,875.36 = 5,350,912.80/x - Step 3: Cross multiply
7,925,744.48x = 10,940,875.36 × 5,350,912.80 - Step 4: Simplify right side
7,925,744.48x = 58,543,670,007,028.60 - Step 5: Solve for x
x = 58,543,670,007,028.60/7,925,744.48 - Step 6: Final answer
x = 7,386,519.99
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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.