Finding the Fourth Proportional to 18,086,720.10, 27,130,080.15 and 14,685,497.70
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Solution
The fourth proportional to 18,086,720.10, 27,130,080.15 and 14,685,497.70 is: 22,028,246.55
Step by Step Solution
- Step 1: Write the proportion equation
18,086,720.10 : 27,130,080.15 = 14,685,497.70 : x - Step 2: Convert to fraction form
18,086,720.10/27,130,080.15 = 14,685,497.70/x - Step 3: Cross multiply
18,086,720.10x = 27,130,080.15 × 14,685,497.70 - Step 4: Simplify right side
18,086,720.10x = 398,418,729,643,640.62 - Step 5: Solve for x
x = 398,418,729,643,640.62/18,086,720.10 - Step 6: Final answer
x = 22,028,246.55
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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.