Finding the Fourth Proportional to 11,493,751.80, 15,861,484.55 and 6,337,296.66
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Solution
The fourth proportional to 11,493,751.80, 15,861,484.55 and 6,337,296.66 is: 8,745,528.43
Step by Step Solution
- Step 1: Write the proportion equation
11,493,751.80 : 15,861,484.55 = 6,337,296.66 : x - Step 2: Convert to fraction form
11,493,751.80/15,861,484.55 = 6,337,296.66/x - Step 3: Cross multiply
11,493,751.80x = 15,861,484.55 × 6,337,296.66 - Step 4: Simplify right side
11,493,751.80x = 100,518,933,136,680.42 - Step 5: Solve for x
x = 100,518,933,136,680.42/11,493,751.80 - Step 6: Final answer
x = 8,745,528.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.