Finding the Fourth Proportional to 7,246,683.88, 10,000,548.06 and 3,983,636.14
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Solution
The fourth proportional to 7,246,683.88, 10,000,548.06 and 3,983,636.14 is: 5,497,486.21
Step by Step Solution
- Step 1: Write the proportion equation
7,246,683.88 : 10,000,548.06 = 3,983,636.14 : x - Step 2: Convert to fraction form
7,246,683.88/10,000,548.06 = 3,983,636.14/x - Step 3: Cross multiply
7,246,683.88x = 10,000,548.06 × 3,983,636.14 - Step 4: Simplify right side
7,246,683.88x = 39,838,544,687,935.97 - Step 5: Solve for x
x = 39,838,544,687,935.97/7,246,683.88 - Step 6: Final answer
x = 5,497,486.21
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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.