Finding the Fourth Proportional to 7,876,026.14, 11,811,306.74 and 2,758,343.16
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Solution
The fourth proportional to 7,876,026.14, 11,811,306.74 and 2,758,343.16 is: 4,136,557.78
Step by Step Solution
- Step 1: Write the proportion equation
7,876,026.14 : 11,811,306.74 = 2,758,343.16 : x - Step 2: Convert to fraction form
7,876,026.14/11,811,306.74 = 2,758,343.16/x - Step 3: Cross multiply
7,876,026.14x = 11,811,306.74 × 2,758,343.16 - Step 4: Simplify right side
7,876,026.14x = 32,579,637,193,365.02 - Step 5: Solve for x
x = 32,579,637,193,365.02/7,876,026.14 - Step 6: Final answer
x = 4,136,557.78
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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.