Finding the Fourth Proportional to 51,229,328.41, 70,696,261.80 and 27,707,891.41
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Solution
The fourth proportional to 51,229,328.41, 70,696,261.80 and 27,707,891.41 is: 38,236,775.80
Step by Step Solution
- Step 1: Write the proportion equation
51,229,328.41 : 70,696,261.80 = 27,707,891.41 : x - Step 2: Convert to fraction form
51,229,328.41/70,696,261.80 = 27,707,891.41/x - Step 3: Cross multiply
51,229,328.41x = 70,696,261.80 × 27,707,891.41 - Step 4: Simplify right side
51,229,328.41x = 1,958,844,345,047,331 - Step 5: Solve for x
x = 1,958,844,345,047,331/51,229,328.41 - Step 6: Final answer
x = 38,236,775.80
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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.