Finding the Fourth Proportional to 18,450,757.95, 27,704,579.54 and 15,609,458.58
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Solution
The fourth proportional to 18,450,757.95, 27,704,579.54 and 15,609,458.58 is: 23,438,250.50
Step by Step Solution
- Step 1: Write the proportion equation
18,450,757.95 : 27,704,579.54 = 15,609,458.58 : x - Step 2: Convert to fraction form
18,450,757.95/27,704,579.54 = 15,609,458.58/x - Step 3: Cross multiply
18,450,757.95x = 27,704,579.54 × 15,609,458.58 - Step 4: Simplify right side
18,450,757.95x = 432,453,486,727,898.19 - Step 5: Solve for x
x = 432,453,486,727,898.19/18,450,757.95 - Step 6: Final answer
x = 23,438,250.50
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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.