Finding the Fourth Proportional to 11,451,036.26, 15,802,336.89 and 6,294,342.98
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Solution
The fourth proportional to 11,451,036.26, 15,802,336.89 and 6,294,342.98 is: 8,686,142.11
Step by Step Solution
- Step 1: Write the proportion equation
11,451,036.26 : 15,802,336.89 = 6,294,342.98 : x - Step 2: Convert to fraction form
11,451,036.26/15,802,336.89 = 6,294,342.98/x - Step 3: Cross multiply
11,451,036.26x = 15,802,336.89 × 6,294,342.98 - Step 4: Simplify right side
11,451,036.26x = 99,465,328,271,166.55 - Step 5: Solve for x
x = 99,465,328,271,166.55/11,451,036.26 - Step 6: Final answer
x = 8,686,142.11
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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.