Finding the Fourth Proportional to 11,897,114.40, 16,418,121.84 and 6,464,606.40
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Solution
The fourth proportional to 11,897,114.40, 16,418,121.84 and 6,464,606.40 is: 8,921,213.33
Step by Step Solution
- Step 1: Write the proportion equation
11,897,114.40 : 16,418,121.84 = 6,464,606.40 : x - Step 2: Convert to fraction form
11,897,114.40/16,418,121.84 = 6,464,606.40/x - Step 3: Cross multiply
11,897,114.40x = 16,418,121.84 × 6,464,606.40 - Step 4: Simplify right side
11,897,114.40x = 106,136,695,522,843.78 - Step 5: Solve for x
x = 106,136,695,522,843.78/11,897,114.40 - Step 6: Final answer
x = 8,921,213.33
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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.