Finding the Fourth Proportional to 8,184,330.18, 11,289,687.12 and 5,123,230.02
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Solution
The fourth proportional to 8,184,330.18, 11,289,687.12 and 5,123,230.02 is: 7,067,122.50
Step by Step Solution
- Step 1: Write the proportion equation
8,184,330.18 : 11,289,687.12 = 5,123,230.02 : x - Step 2: Convert to fraction form
8,184,330.18/11,289,687.12 = 5,123,230.02/x - Step 3: Cross multiply
8,184,330.18x = 11,289,687.12 × 5,123,230.02 - Step 4: Simplify right side
8,184,330.18x = 57,839,663,969,591.34 - Step 5: Solve for x
x = 57,839,663,969,591.34/8,184,330.18 - Step 6: Final answer
x = 7,067,122.50
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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.