Finding the Fourth Proportional to 14,890,286.14, 20,549,093.84 and 8,275,153.36
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Solution
The fourth proportional to 14,890,286.14, 20,549,093.84 and 8,275,153.36 is: 11,419,988.94
Step by Step Solution
- Step 1: Write the proportion equation
14,890,286.14 : 20,549,093.84 = 8,275,153.36 : x - Step 2: Convert to fraction form
14,890,286.14/20,549,093.84 = 8,275,153.36/x - Step 3: Cross multiply
14,890,286.14x = 20,549,093.84 × 8,275,153.36 - Step 4: Simplify right side
14,890,286.14x = 170,046,902,975,262.84 - Step 5: Solve for x
x = 170,046,902,975,262.84/14,890,286.14 - Step 6: Final answer
x = 11,419,988.94
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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.