Finding the Fourth Proportional to 47,977,780.51, 66,203,647.29 and 27,068,594.20
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Solution
The fourth proportional to 47,977,780.51, 66,203,647.29 and 27,068,594.20 is: 37,351,449.86
Step by Step Solution
- Step 1: Write the proportion equation
47,977,780.51 : 66,203,647.29 = 27,068,594.20 : x - Step 2: Convert to fraction form
47,977,780.51/66,203,647.29 = 27,068,594.20/x - Step 3: Cross multiply
47,977,780.51x = 66,203,647.29 × 27,068,594.20 - Step 4: Simplify right side
47,977,780.51x = 1,792,039,663,052,939.75 - Step 5: Solve for x
x = 1,792,039,663,052,939.75/47,977,780.51 - Step 6: Final answer
x = 37,351,449.86
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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.