Finding the Fourth Proportional to 21,048,233.49, 31,575,343.11 and 6,476,361.24
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Solution
The fourth proportional to 21,048,233.49, 31,575,343.11 and 6,476,361.24 is: 9,715,462.74
Step by Step Solution
- Step 1: Write the proportion equation
21,048,233.49 : 31,575,343.11 = 6,476,361.24 : x - Step 2: Convert to fraction form
21,048,233.49/31,575,343.11 = 6,476,361.24/x - Step 3: Cross multiply
21,048,233.49x = 31,575,343.11 × 6,476,361.24 - Step 4: Simplify right side
21,048,233.49x = 204,493,328,257,305.06 - Step 5: Solve for x
x = 204,493,328,257,305.06/21,048,233.49 - Step 6: Final answer
x = 9,715,462.74
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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.