Finding the Fourth Proportional to 7,427,997.84, 10,246,863.96 and 4,851,186.96
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Solution
The fourth proportional to 7,427,997.84, 10,246,863.96 and 4,851,186.96 is: 6,692,173.84
Step by Step Solution
- Step 1: Write the proportion equation
7,427,997.84 : 10,246,863.96 = 4,851,186.96 : x - Step 2: Convert to fraction form
7,427,997.84/10,246,863.96 = 4,851,186.96/x - Step 3: Cross multiply
7,427,997.84x = 10,246,863.96 × 4,851,186.96 - Step 4: Simplify right side
7,427,997.84x = 49,709,452,823,645.97 - Step 5: Solve for x
x = 49,709,452,823,645.97/7,427,997.84 - Step 6: Final answer
x = 6,692,173.84
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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.