Finding the Fourth Proportional to 11,431,125.54, 15,774,819.12 and 6,204,142.89
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Solution
The fourth proportional to 11,431,125.54, 15,774,819.12 and 6,204,142.89 is: 8,561,644.39
Step by Step Solution
- Step 1: Write the proportion equation
11,431,125.54 : 15,774,819.12 = 6,204,142.89 : x - Step 2: Convert to fraction form
11,431,125.54/15,774,819.12 = 6,204,142.89/x - Step 3: Cross multiply
11,431,125.54x = 15,774,819.12 × 6,204,142.89 - Step 4: Simplify right side
11,431,125.54x = 97,869,231,884,384.05 - Step 5: Solve for x
x = 97,869,231,884,384.05/11,431,125.54 - Step 6: Final answer
x = 8,561,644.39
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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.