Finding the Fourth Proportional to 8,620,836.96, 12,930,786.72 and 2,637,204.96
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Solution
The fourth proportional to 8,620,836.96, 12,930,786.72 and 2,637,204.96 is: 3,955,664.05
Step by Step Solution
- Step 1: Write the proportion equation
8,620,836.96 : 12,930,786.72 = 2,637,204.96 : x - Step 2: Convert to fraction form
8,620,836.96/12,930,786.72 = 2,637,204.96/x - Step 3: Cross multiply
8,620,836.96x = 12,930,786.72 × 2,637,204.96 - Step 4: Simplify right side
8,620,836.96x = 34,101,134,874,686.13 - Step 5: Solve for x
x = 34,101,134,874,686.13/8,620,836.96 - Step 6: Final answer
x = 3,955,664.05
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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.