Finding the Fourth Proportional to 8,523,115.25, 12,786,561.99 and 2,457,373.55
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Solution
The fourth proportional to 8,523,115.25, 12,786,561.99 and 2,457,373.55 is: 3,686,604.99
Step by Step Solution
- Step 1: Write the proportion equation
8,523,115.25 : 12,786,561.99 = 2,457,373.55 : x - Step 2: Convert to fraction form
8,523,115.25/12,786,561.99 = 2,457,373.55/x - Step 3: Cross multiply
8,523,115.25x = 12,786,561.99 × 2,457,373.55 - Step 4: Simplify right side
8,523,115.25x = 31,421,359,165,728.55 - Step 5: Solve for x
x = 31,421,359,165,728.55/8,523,115.25 - Step 6: Final answer
x = 3,686,604.99
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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.