Finding the Fourth Proportional to 8,440,000.14, 12,644,778.68 and 5,195,891.82
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Solution
The fourth proportional to 8,440,000.14, 12,644,778.68 and 5,195,891.82 is: 7,784,466.95
Step by Step Solution
- Step 1: Write the proportion equation
8,440,000.14 : 12,644,778.68 = 5,195,891.82 : x - Step 2: Convert to fraction form
8,440,000.14/12,644,778.68 = 5,195,891.82/x - Step 3: Cross multiply
8,440,000.14x = 12,644,778.68 × 5,195,891.82 - Step 4: Simplify right side
8,440,000.14x = 65,700,902,109,122.40 - Step 5: Solve for x
x = 65,700,902,109,122.40/8,440,000.14 - Step 6: Final answer
x = 7,784,466.95
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1.5x scale
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.