Finding the Fourth Proportional to 12,163,468.06, 16,785,592.46 and 6,656,839.66
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Solution
The fourth proportional to 12,163,468.06, 16,785,592.46 and 6,656,839.66 is: 9,186,442.31
Step by Step Solution
- Step 1: Write the proportion equation
12,163,468.06 : 16,785,592.46 = 6,656,839.66 : x - Step 2: Convert to fraction form
12,163,468.06/16,785,592.46 = 6,656,839.66/x - Step 3: Cross multiply
12,163,468.06x = 16,785,592.46 × 6,656,839.66 - Step 4: Simplify right side
12,163,468.06x = 111,738,997,604,324.97 - Step 5: Solve for x
x = 111,738,997,604,324.97/12,163,468.06 - Step 6: Final answer
x = 9,186,442.31
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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.