Finding the Fourth Proportional to 18,163,392.80, 27,257,530.80 and 10,076,352.80
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Solution
The fourth proportional to 18,163,392.80, 27,257,530.80 and 10,076,352.80 is: 15,121,431.32
Step by Step Solution
- Step 1: Write the proportion equation
18,163,392.80 : 27,257,530.80 = 10,076,352.80 : x - Step 2: Convert to fraction form
18,163,392.80/27,257,530.80 = 10,076,352.80/x - Step 3: Cross multiply
18,163,392.80x = 27,257,530.80 × 10,076,352.80 - Step 4: Simplify right side
18,163,392.80x = 274,656,496,797,666.28 - Step 5: Solve for x
x = 274,656,496,797,666.28/18,163,392.80 - Step 6: Final answer
x = 15,121,431.32
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1.5x scale
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.