Finding the Fourth Proportional to 18,444,617.70, 27,666,926.55 and 18,192,675.30
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Solution
The fourth proportional to 18,444,617.70, 27,666,926.55 and 18,192,675.30 is: 27,289,012.95
Step by Step Solution
- Step 1: Write the proportion equation
18,444,617.70 : 27,666,926.55 = 18,192,675.30 : x - Step 2: Convert to fraction form
18,444,617.70/27,666,926.55 = 18,192,675.30/x - Step 3: Cross multiply
18,444,617.70x = 27,666,926.55 × 18,192,675.30 - Step 4: Simplify right side
18,444,617.70x = 503,335,411,273,099.25 - Step 5: Solve for x
x = 503,335,411,273,099.25/18,444,617.70 - Step 6: Final answer
x = 27,289,012.95
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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.