Finding the Fourth Proportional to 20,068,489.36, 27,694,493.80 and 10,901,138.96
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Solution
The fourth proportional to 20,068,489.36, 27,694,493.80 and 10,901,138.96 is: 15,043,560.08
Step by Step Solution
- Step 1: Write the proportion equation
20,068,489.36 : 27,694,493.80 = 10,901,138.96 : x - Step 2: Convert to fraction form
20,068,489.36/27,694,493.80 = 10,901,138.96/x - Step 3: Cross multiply
20,068,489.36x = 27,694,493.80 × 10,901,138.96 - Step 4: Simplify right side
20,068,489.36x = 301,901,525,340,658.50 - Step 5: Solve for x
x = 301,901,525,340,658.50/20,068,489.36 - Step 6: Final answer
x = 15,043,560.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.