Finding the Fourth Proportional to 7,867,243.50, 10,857,130.92 and 4,382,578.08
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Solution
The fourth proportional to 7,867,243.50, 10,857,130.92 and 4,382,578.08 is: 6,048,144.31
Step by Step Solution
- Step 1: Write the proportion equation
7,867,243.50 : 10,857,130.92 = 4,382,578.08 : x - Step 2: Convert to fraction form
7,867,243.50/10,857,130.92 = 4,382,578.08/x - Step 3: Cross multiply
7,867,243.50x = 10,857,130.92 × 4,382,578.08 - Step 4: Simplify right side
7,867,243.50x = 47,582,223,981,682.23 - Step 5: Solve for x
x = 47,582,223,981,682.23/7,867,243.50 - Step 6: Final answer
x = 6,048,144.31
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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.