Finding the Fourth Proportional to 27,310,346.40, 40,960,270.80 and 8,141,728.80
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Solution
The fourth proportional to 27,310,346.40, 40,960,270.80 and 8,141,728.80 is: 12,211,028.43
Step by Step Solution
- Step 1: Write the proportion equation
27,310,346.40 : 40,960,270.80 = 8,141,728.80 : x - Step 2: Convert to fraction form
27,310,346.40/40,960,270.80 = 8,141,728.80/x - Step 3: Cross multiply
27,310,346.40x = 40,960,270.80 × 8,141,728.80 - Step 4: Simplify right side
27,310,346.40x = 333,487,416,428,159 - Step 5: Solve for x
x = 333,487,416,428,159/27,310,346.40 - Step 6: Final answer
x = 12,211,028.43
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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.