Finding the Fourth Proportional to 8,967,630.20, 13,486,874.70 and 8,046,465.80
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Solution
The fourth proportional to 8,967,630.20, 13,486,874.70 and 8,046,465.80 is: 12,101,488.75
Step by Step Solution
- Step 1: Write the proportion equation
8,967,630.20 : 13,486,874.70 = 8,046,465.80 : x - Step 2: Convert to fraction form
8,967,630.20/13,486,874.70 = 8,046,465.80/x - Step 3: Cross multiply
8,967,630.20x = 13,486,874.70 × 8,046,465.80 - Step 4: Simplify right side
8,967,630.20x = 108,521,676,022,435.25 - Step 5: Solve for x
x = 108,521,676,022,435.25/8,967,630.20 - Step 6: Final answer
x = 12,101,488.75
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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.