Finding the Fourth Proportional to 18,157,501.80, 27,236,252.70 and 18,157,501.80
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Solution
The fourth proportional to 18,157,501.80, 27,236,252.70 and 18,157,501.80 is: 27,236,252.70
Step by Step Solution
- Step 1: Write the proportion equation
18,157,501.80 : 27,236,252.70 = 18,157,501.80 : x - Step 2: Convert to fraction form
18,157,501.80/27,236,252.70 = 18,157,501.80/x - Step 3: Cross multiply
18,157,501.80x = 27,236,252.70 × 18,157,501.80 - Step 4: Simplify right side
18,157,501.80x = 494,542,307,425,504.88 - Step 5: Solve for x
x = 494,542,307,425,504.88/18,157,501.80 - Step 6: Final answer
x = 27,236,252.70
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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.