Finding the Fourth Proportional to 7,728,837.81, 11,593,629.55 and 2,541,332.48
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Solution
The fourth proportional to 7,728,837.81, 11,593,629.55 and 2,541,332.48 is: 3,812,121.32
Step by Step Solution
- Step 1: Write the proportion equation
7,728,837.81 : 11,593,629.55 = 2,541,332.48 : x - Step 2: Convert to fraction form
7,728,837.81/11,593,629.55 = 2,541,332.48/x - Step 3: Cross multiply
7,728,837.81x = 11,593,629.55 × 2,541,332.48 - Step 4: Simplify right side
7,728,837.81x = 29,463,267,359,133.52 - Step 5: Solve for x
x = 29,463,267,359,133.52/7,728,837.81 - Step 6: Final answer
x = 3,812,121.32
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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.