Finding the Fourth Proportional to 18,353,089.70, 27,529,634.55 and 16,014,749.30
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Solution
The fourth proportional to 18,353,089.70, 27,529,634.55 and 16,014,749.30 is: 24,022,123.95
Step by Step Solution
- Step 1: Write the proportion equation
18,353,089.70 : 27,529,634.55 = 16,014,749.30 : x - Step 2: Convert to fraction form
18,353,089.70/27,529,634.55 = 16,014,749.30/x - Step 3: Cross multiply
18,353,089.70x = 27,529,634.55 × 16,014,749.30 - Step 4: Simplify right side
18,353,089.70x = 440,880,195,638,868.38 - Step 5: Solve for x
x = 440,880,195,638,868.38/18,353,089.70 - Step 6: Final answer
x = 24,022,123.95
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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.