Finding the Fourth Proportional to 11,539,369.08, 15,923,260.56 and 6,382,619.64
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Solution
The fourth proportional to 11,539,369.08, 15,923,260.56 and 6,382,619.64 is: 8,807,423.95
Step by Step Solution
- Step 1: Write the proportion equation
11,539,369.08 : 15,923,260.56 = 6,382,619.64 : x - Step 2: Convert to fraction form
11,539,369.08/15,923,260.56 = 6,382,619.64/x - Step 3: Cross multiply
11,539,369.08x = 15,923,260.56 × 6,382,619.64 - Step 4: Simplify right side
11,539,369.08x = 101,632,115,583,093.39 - Step 5: Solve for x
x = 101,632,115,583,093.39/11,539,369.08 - Step 6: Final answer
x = 8,807,423.95
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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.