Finding the Fourth Proportional to 27,310,348.40, 40,960,273.80 and 8,141,730.80
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Solution
The fourth proportional to 27,310,348.40, 40,960,273.80 and 8,141,730.80 is: 12,211,031.43
Step by Step Solution
- Step 1: Write the proportion equation
27,310,348.40 : 40,960,273.80 = 8,141,730.80 : x - Step 2: Convert to fraction form
27,310,348.40/40,960,273.80 = 8,141,730.80/x - Step 3: Cross multiply
27,310,348.40x = 40,960,273.80 × 8,141,730.80 - Step 4: Simplify right side
27,310,348.40x = 333,487,522,773,893 - Step 5: Solve for x
x = 333,487,522,773,893/27,310,348.40 - Step 6: Final answer
x = 12,211,031.43
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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.