Finding the Fourth Proportional to 18,522,806.95, 25,553,331.39 and 11,176,542.73
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Solution
The fourth proportional to 18,522,806.95, 25,553,331.39 and 11,176,542.73 is: 15,418,716.02
Step by Step Solution
- Step 1: Write the proportion equation
18,522,806.95 : 25,553,331.39 = 11,176,542.73 : x - Step 2: Convert to fraction form
18,522,806.95/25,553,331.39 = 11,176,542.73/x - Step 3: Cross multiply
18,522,806.95x = 25,553,331.39 × 11,176,542.73 - Step 4: Simplify right side
18,522,806.95x = 285,597,900,174,185.31 - Step 5: Solve for x
x = 285,597,900,174,185.31/18,522,806.95 - Step 6: Final answer
x = 15,418,716.02
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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.