Finding the Fourth Proportional to 27,198,331.20, 40,797,496.80 and 9,247,435.20
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Solution
The fourth proportional to 27,198,331.20, 40,797,496.80 and 9,247,435.20 is: 13,871,152.80
Step by Step Solution
- Step 1: Write the proportion equation
27,198,331.20 : 40,797,496.80 = 9,247,435.20 : x - Step 2: Convert to fraction form
27,198,331.20/40,797,496.80 = 9,247,435.20/x - Step 3: Cross multiply
27,198,331.20x = 40,797,496.80 × 9,247,435.20 - Step 4: Simplify right side
27,198,331.20x = 377,272,207,980,207.31 - Step 5: Solve for x
x = 377,272,207,980,207.31/27,198,331.20 - Step 6: Final answer
x = 13,871,152.80
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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.