Finding the Fourth Proportional to 21,624,586.08, 29,682,969.36 and 19,122,372.96
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Solution
The fourth proportional to 21,624,586.08, 29,682,969.36 and 19,122,372.96 is: 26,248,308.69
Step by Step Solution
- Step 1: Write the proportion equation
21,624,586.08 : 29,682,969.36 = 19,122,372.96 : x - Step 2: Convert to fraction form
21,624,586.08/29,682,969.36 = 19,122,372.96/x - Step 3: Cross multiply
21,624,586.08x = 29,682,969.36 × 19,122,372.96 - Step 4: Simplify right side
21,624,586.08x = 567,608,810,662,172.50 - Step 5: Solve for x
x = 567,608,810,662,172.50/21,624,586.08 - Step 6: Final answer
x = 26,248,308.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.