Finding the Fourth Proportional to 47,872,274.67, 71,721,812.79 and 21,986,229.87
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Solution
The fourth proportional to 47,872,274.67, 71,721,812.79 and 21,986,229.87 is: 32,939,572.51
Step by Step Solution
- Step 1: Write the proportion equation
47,872,274.67 : 71,721,812.79 = 21,986,229.87 : x - Step 2: Convert to fraction form
47,872,274.67/71,721,812.79 = 21,986,229.87/x - Step 3: Cross multiply
47,872,274.67x = 71,721,812.79 × 21,986,229.87 - Step 4: Simplify right side
47,872,274.67x = 1,576,892,262,694,046.25 - Step 5: Solve for x
x = 1,576,892,262,694,046.25/47,872,274.67 - Step 6: Final answer
x = 32,939,572.51
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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.