Finding the Fourth Proportional to 18,178,851.80, 27,268,277.70 and 17,059,107.80
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Solution
The fourth proportional to 18,178,851.80, 27,268,277.70 and 17,059,107.80 is: 25,588,661.70
Step by Step Solution
- Step 1: Write the proportion equation
18,178,851.80 : 27,268,277.70 = 17,059,107.80 : x - Step 2: Convert to fraction form
18,178,851.80/27,268,277.70 = 17,059,107.80/x - Step 3: Cross multiply
18,178,851.80x = 27,268,277.70 × 17,059,107.80 - Step 4: Simplify right side
18,178,851.80x = 465,172,488,804,636.06 - Step 5: Solve for x
x = 465,172,488,804,636.06/18,178,851.80 - Step 6: Final answer
x = 25,588,661.70
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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.