Finding the Fourth Proportional to 8,728,197.75, 12,044,050.49 and 4,861,078.74
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Solution
The fourth proportional to 8,728,197.75, 12,044,050.49 and 4,861,078.74 is: 6,707,808.35
Step by Step Solution
- Step 1: Write the proportion equation
8,728,197.75 : 12,044,050.49 = 4,861,078.74 : x - Step 2: Convert to fraction form
8,728,197.75/12,044,050.49 = 4,861,078.74/x - Step 3: Cross multiply
8,728,197.75x = 12,044,050.49 × 4,861,078.74 - Step 4: Simplify right side
8,728,197.75x = 58,547,077,756,120.19 - Step 5: Solve for x
x = 58,547,077,756,120.19/8,728,197.75 - Step 6: Final answer
x = 6,707,808.35
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1.5x scale
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.