Finding the Fourth Proportional to 11,243,043.68, 15,515,405.46 and 6,086,405.21
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Solution
The fourth proportional to 11,243,043.68, 15,515,405.46 and 6,086,405.21 is: 8,399,241.99
Step by Step Solution
- Step 1: Write the proportion equation
11,243,043.68 : 15,515,405.46 = 6,086,405.21 : x - Step 2: Convert to fraction form
11,243,043.68/15,515,405.46 = 6,086,405.21/x - Step 3: Cross multiply
11,243,043.68x = 15,515,405.46 × 6,086,405.21 - Step 4: Simplify right side
11,243,043.68x = 94,433,044,549,429.42 - Step 5: Solve for x
x = 94,433,044,549,429.42/11,243,043.68 - Step 6: Final answer
x = 8,399,241.99
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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.