Finding the Fourth Proportional to 6,748,714.89, 10,125,988.64 and 3,629,119.99
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Solution
The fourth proportional to 6,748,714.89, 10,125,988.64 and 3,629,119.99 is: 5,445,248.23
Step by Step Solution
- Step 1: Write the proportion equation
6,748,714.89 : 10,125,988.64 = 3,629,119.99 : x - Step 2: Convert to fraction form
6,748,714.89/10,125,988.64 = 3,629,119.99/x - Step 3: Cross multiply
6,748,714.89x = 10,125,988.64 × 3,629,119.99 - Step 4: Simplify right side
6,748,714.89x = 36,748,427,799,346.03 - Step 5: Solve for x
x = 36,748,427,799,346.03/6,748,714.89 - Step 6: Final answer
x = 5,445,248.23
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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.