Finding the Fourth Proportional to 11,145,330.71, 15,382,237.56 and 6,796,939.46
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Solution
The fourth proportional to 11,145,330.71, 15,382,237.56 and 6,796,939.46 is: 9,380,801.72
Step by Step Solution
- Step 1: Write the proportion equation
11,145,330.71 : 15,382,237.56 = 6,796,939.46 : x - Step 2: Convert to fraction form
11,145,330.71/15,382,237.56 = 6,796,939.46/x - Step 3: Cross multiply
11,145,330.71x = 15,382,237.56 × 6,796,939.46 - Step 4: Simplify right side
11,145,330.71x = 104,552,137,454,658.12 - Step 5: Solve for x
x = 104,552,137,454,658.12/11,145,330.71 - Step 6: Final answer
x = 9,380,801.72
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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.