Finding the Fourth Proportional to 18,024,251.52, 24,906,461.31 and 13,120,960.97
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Solution
The fourth proportional to 18,024,251.52, 24,906,461.31 and 13,120,960.97 is: 18,130,944.65
Step by Step Solution
- Step 1: Write the proportion equation
18,024,251.52 : 24,906,461.31 = 13,120,960.97 : x - Step 2: Convert to fraction form
18,024,251.52/24,906,461.31 = 13,120,960.97/x - Step 3: Cross multiply
18,024,251.52x = 24,906,461.31 × 13,120,960.97 - Step 4: Simplify right side
18,024,251.52x = 326,796,706,811,591.19 - Step 5: Solve for x
x = 326,796,706,811,591.19/18,024,251.52 - Step 6: Final answer
x = 18,130,944.65
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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.