Finding the Fourth Proportional to 8,423,178.28, 12,635,658.54 and 2,743,847.08
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Solution
The fourth proportional to 8,423,178.28, 12,635,658.54 and 2,743,847.08 is: 4,116,060.90
Step by Step Solution
- Step 1: Write the proportion equation
8,423,178.28 : 12,635,658.54 = 2,743,847.08 : x - Step 2: Convert to fraction form
8,423,178.28/12,635,658.54 = 2,743,847.08/x - Step 3: Cross multiply
8,423,178.28x = 12,635,658.54 × 2,743,847.08 - Step 4: Simplify right side
8,423,178.28x = 34,670,314,788,856.06 - Step 5: Solve for x
x = 34,670,314,788,856.06/8,423,178.28 - Step 6: Final answer
x = 4,116,060.90
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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.