Finding the Fourth Proportional to 8,135,869.97, 12,131,923.62 and 8,062,846.04
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Solution
The fourth proportional to 8,135,869.97, 12,131,923.62 and 8,062,846.04 is: 12,023,032.89
Step by Step Solution
- Step 1: Write the proportion equation
8,135,869.97 : 12,131,923.62 = 8,062,846.04 : x - Step 2: Convert to fraction form
8,135,869.97/12,131,923.62 = 8,062,846.04/x - Step 3: Cross multiply
8,135,869.97x = 12,131,923.62 × 8,062,846.04 - Step 4: Simplify right side
8,135,869.97x = 97,817,832,276,785.23 - Step 5: Solve for x
x = 97,817,832,276,785.23/8,135,869.97 - Step 6: Final answer
x = 12,023,032.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.