Finding the Fourth Proportional to 11,598,906.60, 17,398,359.90 and 8,916,769.80
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Solution
The fourth proportional to 11,598,906.60, 17,398,359.90 and 8,916,769.80 is: 13,375,154.70
Step by Step Solution
- Step 1: Write the proportion equation
11,598,906.60 : 17,398,359.90 = 8,916,769.80 : x - Step 2: Convert to fraction form
11,598,906.60/17,398,359.90 = 8,916,769.80/x - Step 3: Cross multiply
11,598,906.60x = 17,398,359.90 × 8,916,769.80 - Step 4: Simplify right side
11,598,906.60x = 155,137,170,125,851.03 - Step 5: Solve for x
x = 155,137,170,125,851.03/11,598,906.60 - Step 6: Final answer
x = 13,375,154.70
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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.