Finding the Fourth Proportional to 7,067,231.40, 10,602,815.40 and 3,473,115.60
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Solution
The fourth proportional to 7,067,231.40, 10,602,815.40 and 3,473,115.60 is: 5,210,640.70
Step by Step Solution
- Step 1: Write the proportion equation
7,067,231.40 : 10,602,815.40 = 3,473,115.60 : x - Step 2: Convert to fraction form
7,067,231.40/10,602,815.40 = 3,473,115.60/x - Step 3: Cross multiply
7,067,231.40x = 10,602,815.40 × 3,473,115.60 - Step 4: Simplify right side
7,067,231.40x = 36,824,803,569,660.24 - Step 5: Solve for x
x = 36,824,803,569,660.24/7,067,231.40 - Step 6: Final answer
x = 5,210,640.70
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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.