Finding the Fourth Proportional to 18,378,654.12, 27,571,264.38 and 6,247,480.14
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Solution
The fourth proportional to 18,378,654.12, 27,571,264.38 and 6,247,480.14 is: 9,372,336.27
Step by Step Solution
- Step 1: Write the proportion equation
18,378,654.12 : 27,571,264.38 = 6,247,480.14 : x - Step 2: Convert to fraction form
18,378,654.12/27,571,264.38 = 6,247,480.14/x - Step 3: Cross multiply
18,378,654.12x = 27,571,264.38 × 6,247,480.14 - Step 4: Simplify right side
18,378,654.12x = 172,250,926,648,739.41 - Step 5: Solve for x
x = 172,250,926,648,739.41/18,378,654.12 - Step 6: Final answer
x = 9,372,336.27
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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.