Finding the Fourth Proportional to 11,718,150.85, 16,171,177.53 and 6,491,239.08
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Solution
The fourth proportional to 11,718,150.85, 16,171,177.53 and 6,491,239.08 is: 8,957,981.59
Step by Step Solution
- Step 1: Write the proportion equation
11,718,150.85 : 16,171,177.53 = 6,491,239.08 : x - Step 2: Convert to fraction form
11,718,150.85/16,171,177.53 = 6,491,239.08/x - Step 3: Cross multiply
11,718,150.85x = 16,171,177.53 × 6,491,239.08 - Step 4: Simplify right side
11,718,150.85x = 104,970,979,552,353.88 - Step 5: Solve for x
x = 104,970,979,552,353.88/11,718,150.85 - Step 6: Final answer
x = 8,957,981.59
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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.