Finding the Fourth Proportional to 10,079,043.13, 15,116,903.74 and 4,322,706.65
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Solution
The fourth proportional to 10,079,043.13, 15,116,903.74 and 4,322,706.65 is: 6,483,347.62
Step by Step Solution
- Step 1: Write the proportion equation
10,079,043.13 : 15,116,903.74 = 4,322,706.65 : x - Step 2: Convert to fraction form
10,079,043.13/15,116,903.74 = 4,322,706.65/x - Step 3: Cross multiply
10,079,043.13x = 15,116,903.74 × 4,322,706.65 - Step 4: Simplify right side
10,079,043.13x = 65,345,940,310,815.12 - Step 5: Solve for x
x = 65,345,940,310,815.12/10,079,043.13 - Step 6: Final answer
x = 6,483,347.62
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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.