Finding the Fourth Proportional to 38,456,246.24, 53,069,622.39 and 21,052,591.46
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Solution
The fourth proportional to 38,456,246.24, 53,069,622.39 and 21,052,591.46 is: 29,052,577.63
Step by Step Solution
- Step 1: Write the proportion equation
38,456,246.24 : 53,069,622.39 = 21,052,591.46 : x - Step 2: Convert to fraction form
38,456,246.24/53,069,622.39 = 21,052,591.46/x - Step 3: Cross multiply
38,456,246.24x = 53,069,622.39 × 21,052,591.46 - Step 4: Simplify right side
38,456,246.24x = 1,117,253,078,993,074.88 - Step 5: Solve for x
x = 1,117,253,078,993,074.88/38,456,246.24 - Step 6: Final answer
x = 29,052,577.63
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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.