Finding the Fourth Proportional to 22,576,704.48, 31,155,911.28 and 12,263,343.84
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Solution
The fourth proportional to 22,576,704.48, 31,155,911.28 and 12,263,343.84 is: 16,923,446.60
Step by Step Solution
- Step 1: Write the proportion equation
22,576,704.48 : 31,155,911.28 = 12,263,343.84 : x - Step 2: Convert to fraction form
22,576,704.48/31,155,911.28 = 12,263,343.84/x - Step 3: Cross multiply
22,576,704.48x = 31,155,911.28 × 12,263,343.84 - Step 4: Simplify right side
22,576,704.48x = 382,075,652,675,174.50 - Step 5: Solve for x
x = 382,075,652,675,174.50/22,576,704.48 - Step 6: Final answer
x = 16,923,446.60
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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.