Finding the Fourth Proportional to 18,551,734.16, 27,827,748.86 and 7,619,107.05
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Solution
The fourth proportional to 18,551,734.16, 27,827,748.86 and 7,619,107.05 is: 11,428,721.20
Step by Step Solution
- Step 1: Write the proportion equation
18,551,734.16 : 27,827,748.86 = 7,619,107.05 : x - Step 2: Convert to fraction form
18,551,734.16/27,827,748.86 = 7,619,107.05/x - Step 3: Cross multiply
18,551,734.16x = 27,827,748.86 × 7,619,107.05 - Step 4: Simplify right side
18,551,734.16x = 212,022,597,486,759.94 - Step 5: Solve for x
x = 212,022,597,486,759.94/18,551,734.16 - Step 6: Final answer
x = 11,428,721.20
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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.