Finding the Fourth Proportional to 8,119,242.49, 12,177,392.02 and 3,261,353.21
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Solution
The fourth proportional to 8,119,242.49, 12,177,392.02 and 3,261,353.21 is: 4,891,438.65
Step by Step Solution
- Step 1: Write the proportion equation
8,119,242.49 : 12,177,392.02 = 3,261,353.21 : x - Step 2: Convert to fraction form
8,119,242.49/12,177,392.02 = 3,261,353.21/x - Step 3: Cross multiply
8,119,242.49x = 12,177,392.02 × 3,261,353.21 - Step 4: Simplify right side
8,119,242.49x = 39,714,776,553,855.38 - Step 5: Solve for x
x = 39,714,776,553,855.38/8,119,242.49 - Step 6: Final answer
x = 4,891,438.65
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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.