Finding the Fourth Proportional to 22,232,216.80, 33,348,325.20 and 18,193,265.20
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Solution
The fourth proportional to 22,232,216.80, 33,348,325.20 and 18,193,265.20 is: 27,289,897.80
Step by Step Solution
- Step 1: Write the proportion equation
22,232,216.80 : 33,348,325.20 = 18,193,265.20 : x - Step 2: Convert to fraction form
22,232,216.80/33,348,325.20 = 18,193,265.20/x - Step 3: Cross multiply
22,232,216.80x = 33,348,325.20 × 18,193,265.20 - Step 4: Simplify right side
22,232,216.80x = 606,714,924,339,443 - Step 5: Solve for x
x = 606,714,924,339,443/22,232,216.80 - Step 6: Final answer
x = 27,289,897.80
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1.5x scale
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.