Finding the Fourth Proportional to 8,319,078.70, 12,478,618.05 and 4,723,456.30
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Solution
The fourth proportional to 8,319,078.70, 12,478,618.05 and 4,723,456.30 is: 7,085,184.45
Step by Step Solution
- Step 1: Write the proportion equation
8,319,078.70 : 12,478,618.05 = 4,723,456.30 : x - Step 2: Convert to fraction form
8,319,078.70/12,478,618.05 = 4,723,456.30/x - Step 3: Cross multiply
8,319,078.70x = 12,478,618.05 × 4,723,456.30 - Step 4: Simplify right side
8,319,078.70x = 58,942,207,043,566.22 - Step 5: Solve for x
x = 58,942,207,043,566.22/8,319,078.70 - Step 6: Final answer
x = 7,085,184.45
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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.