Finding the Fourth Proportional to 11,337,670.20, 17,006,505.30 and 6,218,121.90
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Solution
The fourth proportional to 11,337,670.20, 17,006,505.30 and 6,218,121.90 is: 9,327,182.85
Step by Step Solution
- Step 1: Write the proportion equation
11,337,670.20 : 17,006,505.30 = 6,218,121.90 : x - Step 2: Convert to fraction form
11,337,670.20/17,006,505.30 = 6,218,121.90/x - Step 3: Cross multiply
11,337,670.20x = 17,006,505.30 × 6,218,121.90 - Step 4: Simplify right side
11,337,670.20x = 105,748,523,048,396.08 - Step 5: Solve for x
x = 105,748,523,048,396.08/11,337,670.20 - Step 6: Final answer
x = 9,327,182.85
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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.