Finding the Fourth Proportional to 11,153,332.10, 15,382,920.71 and 8,067,431.36
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Solution
The fourth proportional to 11,153,332.10, 15,382,920.71 and 8,067,431.36 is: 11,126,778.60
Step by Step Solution
- Step 1: Write the proportion equation
11,153,332.10 : 15,382,920.71 = 8,067,431.36 : x - Step 2: Convert to fraction form
11,153,332.10/15,382,920.71 = 8,067,431.36/x - Step 3: Cross multiply
11,153,332.10x = 15,382,920.71 × 8,067,431.36 - Step 4: Simplify right side
11,153,332.10x = 124,100,656,826,995.72 - Step 5: Solve for x
x = 124,100,656,826,995.72/11,153,332.10 - Step 6: Final answer
x = 11,126,778.60
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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.