Finding the Fourth Proportional to 6,557,536.20, 9,836,304.30 and 4,166,051.70
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Solution
The fourth proportional to 6,557,536.20, 9,836,304.30 and 4,166,051.70 is: 6,249,077.55
Step by Step Solution
- Step 1: Write the proportion equation
6,557,536.20 : 9,836,304.30 = 4,166,051.70 : x - Step 2: Convert to fraction form
6,557,536.20/9,836,304.30 = 4,166,051.70/x - Step 3: Cross multiply
6,557,536.20x = 9,836,304.30 × 4,166,051.70 - Step 4: Simplify right side
6,557,536.20x = 40,978,552,250,732.31 - Step 5: Solve for x
x = 40,978,552,250,732.31/6,557,536.20 - Step 6: Final answer
x = 6,249,077.55
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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.