Finding the Fourth Proportional to 7,844,574.26, 10,822,399.53 and 4,536,257.18
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Solution
The fourth proportional to 7,844,574.26, 10,822,399.53 and 4,536,257.18 is: 6,258,234.79
Step by Step Solution
- Step 1: Write the proportion equation
7,844,574.26 : 10,822,399.53 = 4,536,257.18 : x - Step 2: Convert to fraction form
7,844,574.26/10,822,399.53 = 4,536,257.18/x - Step 3: Cross multiply
7,844,574.26x = 10,822,399.53 × 4,536,257.18 - Step 4: Simplify right side
7,844,574.26x = 49,093,187,572,791.12 - Step 5: Solve for x
x = 49,093,187,572,791.12/7,844,574.26 - Step 6: Final answer
x = 6,258,234.79
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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.