Finding the Fourth Proportional to 17,138,190.44, 23,650,748.65 and 9,297,702.66
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Solution
The fourth proportional to 17,138,190.44, 23,650,748.65 and 9,297,702.66 is: 12,830,854.55
Step by Step Solution
- Step 1: Write the proportion equation
17,138,190.44 : 23,650,748.65 = 9,297,702.66 : x - Step 2: Convert to fraction form
17,138,190.44/23,650,748.65 = 9,297,702.66/x - Step 3: Cross multiply
17,138,190.44x = 23,650,748.65 × 9,297,702.66 - Step 4: Simplify right side
17,138,190.44x = 219,897,628,646,734.75 - Step 5: Solve for x
x = 219,897,628,646,734.75/17,138,190.44 - Step 6: Final answer
x = 12,830,854.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.