Finding the Fourth Proportional to 49,473,907.32, 68,273,965.69 and 27,147,039.99
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Solution
The fourth proportional to 49,473,907.32, 68,273,965.69 and 27,147,039.99 is: 37,462,900.69
Step by Step Solution
- Step 1: Write the proportion equation
49,473,907.32 : 68,273,965.69 = 27,147,039.99 : x - Step 2: Convert to fraction form
49,473,907.32/68,273,965.69 = 27,147,039.99/x - Step 3: Cross multiply
49,473,907.32x = 68,273,965.69 × 27,147,039.99 - Step 4: Simplify right side
49,473,907.32x = 1,853,436,076,862,317.75 - Step 5: Solve for x
x = 1,853,436,076,862,317.75/49,473,907.32 - Step 6: Final answer
x = 37,462,900.69
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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.