Finding the Fourth Proportional to 18,814,349.70, 28,221,524.55 and 14,562,821.70
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Solution
The fourth proportional to 18,814,349.70, 28,221,524.55 and 14,562,821.70 is: 21,844,232.55
Step by Step Solution
- Step 1: Write the proportion equation
18,814,349.70 : 28,221,524.55 = 14,562,821.70 : x - Step 2: Convert to fraction form
18,814,349.70/28,221,524.55 = 14,562,821.70/x - Step 3: Cross multiply
18,814,349.70x = 28,221,524.55 × 14,562,821.70 - Step 4: Simplify right side
18,814,349.70x = 410,985,030,123,822.75 - Step 5: Solve for x
x = 410,985,030,123,822.75/18,814,349.70 - Step 6: Final answer
x = 21,844,232.55
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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.