Finding the Fourth Proportional to 22,752,078.40, 34,128,117.60 and 8,372,170.68
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Solution
The fourth proportional to 22,752,078.40, 34,128,117.60 and 8,372,170.68 is: 12,558,256.02
Step by Step Solution
- Step 1: Write the proportion equation
22,752,078.40 : 34,128,117.60 = 8,372,170.68 : x - Step 2: Convert to fraction form
22,752,078.40/34,128,117.60 = 8,372,170.68/x - Step 3: Cross multiply
22,752,078.40x = 34,128,117.60 × 8,372,170.68 - Step 4: Simplify right side
22,752,078.40x = 285,726,425,534,312 - Step 5: Solve for x
x = 285,726,425,534,312/22,752,078.40 - Step 6: Final answer
x = 12,558,256.02
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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.