Finding the Fourth Proportional to 8,119,618.29, 11,205,072.99 and 4,448,674.09
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Solution
The fourth proportional to 8,119,618.29, 11,205,072.99 and 4,448,674.09 is: 6,139,170.10
Step by Step Solution
- Step 1: Write the proportion equation
8,119,618.29 : 11,205,072.99 = 4,448,674.09 : x - Step 2: Convert to fraction form
8,119,618.29/11,205,072.99 = 4,448,674.09/x - Step 3: Cross multiply
8,119,618.29x = 11,205,072.99 × 4,448,674.09 - Step 4: Simplify right side
8,119,618.29x = 49,847,717,831,146.46 - Step 5: Solve for x
x = 49,847,717,831,146.46/8,119,618.29 - Step 6: Final answer
x = 6,139,170.10
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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.