Finding the Fourth Proportional to 16,280,118.40, 24,384,748.20 and 9,879,206.80
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Solution
The fourth proportional to 16,280,118.40, 24,384,748.20 and 9,879,206.80 is: 14,797,310.70
Step by Step Solution
- Step 1: Write the proportion equation
16,280,118.40 : 24,384,748.20 = 9,879,206.80 : x - Step 2: Convert to fraction form
16,280,118.40/24,384,748.20 = 9,879,206.80/x - Step 3: Cross multiply
16,280,118.40x = 24,384,748.20 × 9,879,206.80 - Step 4: Simplify right side
16,280,118.40x = 240,901,970,233,727.78 - Step 5: Solve for x
x = 240,901,970,233,727.78/16,280,118.40 - Step 6: Final answer
x = 14,797,310.70
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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.