Finding the Fourth Proportional to 8,185,174.12, 12,275,666.16 and 2,426,561.14
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Solution
The fourth proportional to 8,185,174.12, 12,275,666.16 and 2,426,561.14 is: 3,639,220.62
Step by Step Solution
- Step 1: Write the proportion equation
8,185,174.12 : 12,275,666.16 = 2,426,561.14 : x - Step 2: Convert to fraction form
8,185,174.12/12,275,666.16 = 2,426,561.14/x - Step 3: Cross multiply
8,185,174.12x = 12,275,666.16 × 2,426,561.14 - Step 4: Simplify right side
8,185,174.12x = 29,787,654,471,469.02 - Step 5: Solve for x
x = 29,787,654,471,469.02/8,185,174.12 - Step 6: Final answer
x = 3,639,220.62
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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.