Finding the Fourth Proportional to 11,897,101.75, 16,418,098.83 and 6,464,593.75
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Solution
The fourth proportional to 11,897,101.75, 16,418,098.83 and 6,464,593.75 is: 8,921,192.85
Step by Step Solution
- Step 1: Write the proportion equation
11,897,101.75 : 16,418,098.83 = 6,464,593.75 : x - Step 2: Convert to fraction form
11,897,101.75/16,418,098.83 = 6,464,593.75/x - Step 3: Cross multiply
11,897,101.75x = 16,418,098.83 × 6,464,593.75 - Step 4: Simplify right side
11,897,101.75x = 106,136,339,083,300.31 - Step 5: Solve for x
x = 106,136,339,083,300.31/11,897,101.75 - Step 6: Final answer
x = 8,921,192.85
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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.