Finding the Fourth Proportional to 18,104,869.87, 24,985,193.94 and 9,845,415.22
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Solution
The fourth proportional to 18,104,869.87, 24,985,193.94 and 9,845,415.22 is: 13,586,930.50
Step by Step Solution
- Step 1: Write the proportion equation
18,104,869.87 : 24,985,193.94 = 9,845,415.22 : x - Step 2: Convert to fraction form
18,104,869.87/24,985,193.94 = 9,845,415.22/x - Step 3: Cross multiply
18,104,869.87x = 24,985,193.94 × 9,845,415.22 - Step 4: Simplify right side
18,104,869.87x = 245,989,608,604,451.22 - Step 5: Solve for x
x = 245,989,608,604,451.22/18,104,869.87 - Step 6: Final answer
x = 13,586,930.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.