Finding the Fourth Proportional to 18,555,236.19, 27,833,729.09 and 15,310,756.08
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Solution
The fourth proportional to 18,555,236.19, 27,833,729.09 and 15,310,756.08 is: 22,966,855.96
Step by Step Solution
- Step 1: Write the proportion equation
18,555,236.19 : 27,833,729.09 = 15,310,756.08 : x - Step 2: Convert to fraction form
18,555,236.19/27,833,729.09 = 15,310,756.08/x - Step 3: Cross multiply
18,555,236.19x = 27,833,729.09 × 15,310,756.08 - Step 4: Simplify right side
18,555,236.19x = 426,155,436,817,236.62 - Step 5: Solve for x
x = 426,155,436,817,236.62/18,555,236.19 - Step 6: Final answer
x = 22,966,855.96
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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.