Finding the Fourth Proportional to 8,349,743.70, 12,524,615.55 and 4,990,511.70
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Solution
The fourth proportional to 8,349,743.70, 12,524,615.55 and 4,990,511.70 is: 7,485,767.55
Step by Step Solution
- Step 1: Write the proportion equation
8,349,743.70 : 12,524,615.55 = 4,990,511.70 : x - Step 2: Convert to fraction form
8,349,743.70/12,524,615.55 = 4,990,511.70/x - Step 3: Cross multiply
8,349,743.70x = 12,524,615.55 × 4,990,511.70 - Step 4: Simplify right side
8,349,743.70x = 62,504,240,440,276.94 - Step 5: Solve for x
x = 62,504,240,440,276.94/8,349,743.70 - Step 6: Final answer
x = 7,485,767.55
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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.