Finding the Fourth Proportional to 27,136,035.60, 40,691,611.80 and 11,982,166.80
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Solution
The fourth proportional to 27,136,035.60, 40,691,611.80 and 11,982,166.80 is: 17,967,756.50
Step by Step Solution
- Step 1: Write the proportion equation
27,136,035.60 : 40,691,611.80 = 11,982,166.80 : x - Step 2: Convert to fraction form
27,136,035.60/40,691,611.80 = 11,982,166.80/x - Step 3: Cross multiply
27,136,035.60x = 40,691,611.80 × 11,982,166.80 - Step 4: Simplify right side
27,136,035.60x = 487,573,679,948,448.25 - Step 5: Solve for x
x = 487,573,679,948,448.25/27,136,035.60 - Step 6: Final answer
x = 17,967,756.50
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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.