Finding the Fourth Proportional to 38,639,383.80, 57,959,075.70 and 27,301,975.80
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Solution
The fourth proportional to 38,639,383.80, 57,959,075.70 and 27,301,975.80 is: 40,952,963.70
Step by Step Solution
- Step 1: Write the proportion equation
38,639,383.80 : 57,959,075.70 = 27,301,975.80 : x - Step 2: Convert to fraction form
38,639,383.80/57,959,075.70 = 27,301,975.80/x - Step 3: Cross multiply
38,639,383.80x = 57,959,075.70 × 27,301,975.80 - Step 4: Simplify right side
38,639,383.80x = 1,582,397,282,151,768.25 - Step 5: Solve for x
x = 1,582,397,282,151,768.25/38,639,383.80 - Step 6: Final answer
x = 40,952,963.70
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1.5x scale
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.