Finding the Fourth Proportional to 36,485,762.70, 50,350,357.50 and 19,965,891.17
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Solution
The fourth proportional to 36,485,762.70, 50,350,357.50 and 19,965,891.17 is: 27,552,932.53
Step by Step Solution
- Step 1: Write the proportion equation
36,485,762.70 : 50,350,357.50 = 19,965,891.17 : x - Step 2: Convert to fraction form
36,485,762.70/50,350,357.50 = 19,965,891.17/x - Step 3: Cross multiply
36,485,762.70x = 50,350,357.50 × 19,965,891.17 - Step 4: Simplify right side
36,485,762.70x = 1,005,289,757,963,841.50 - Step 5: Solve for x
x = 1,005,289,757,963,841.50/36,485,762.70 - Step 6: Final answer
x = 27,552,932.53
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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.