Finding the Fourth Proportional to 18,172,203.21, 27,252,406.71 and 6,038,410.10
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Solution
The fourth proportional to 18,172,203.21, 27,252,406.71 and 6,038,410.10 is: 9,055,655.27
Step by Step Solution
- Step 1: Write the proportion equation
18,172,203.21 : 27,252,406.71 = 6,038,410.10 : x - Step 2: Convert to fraction form
18,172,203.21/27,252,406.71 = 6,038,410.10/x - Step 3: Cross multiply
18,172,203.21x = 27,252,406.71 × 6,038,410.10 - Step 4: Simplify right side
18,172,203.21x = 164,561,207,790,709.75 - Step 5: Solve for x
x = 164,561,207,790,709.75/18,172,203.21 - Step 6: Final answer
x = 9,055,655.27
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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.