Finding the Fourth Proportional to 18,425,661.93, 27,581,805.86 and 12,022,125.93
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Solution
The fourth proportional to 18,425,661.93, 27,581,805.86 and 12,022,125.93 is: 17,996,202.50
Step by Step Solution
- Step 1: Write the proportion equation
18,425,661.93 : 27,581,805.86 = 12,022,125.93 : x - Step 2: Convert to fraction form
18,425,661.93/27,581,805.86 = 12,022,125.93/x - Step 3: Cross multiply
18,425,661.93x = 27,581,805.86 × 12,022,125.93 - Step 4: Simplify right side
18,425,661.93x = 331,591,943,365,621.31 - Step 5: Solve for x
x = 331,591,943,365,621.31/18,425,661.93 - Step 6: Final answer
x = 17,996,202.50
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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.