Finding the Fourth Proportional to 18,015,405.04, 27,011,754.60 and 15,283,906.84
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Solution
The fourth proportional to 18,015,405.04, 27,011,754.60 and 15,283,906.84 is: 22,916,228.64
Step by Step Solution
- Step 1: Write the proportion equation
18,015,405.04 : 27,011,754.60 = 15,283,906.84 : x - Step 2: Convert to fraction form
18,015,405.04/27,011,754.60 = 15,283,906.84/x - Step 3: Cross multiply
18,015,405.04x = 27,011,754.60 × 15,283,906.84 - Step 4: Simplify right side
18,015,405.04x = 412,845,140,891,341.50 - Step 5: Solve for x
x = 412,845,140,891,341.50/18,015,405.04 - Step 6: Final answer
x = 22,916,228.64
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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.