Finding the Fourth Proportional to 14,658,214.42, 20,228,359.26 and 8,131,843.81
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Solution
The fourth proportional to 14,658,214.42, 20,228,359.26 and 8,131,843.81 is: 11,221,957.42
Step by Step Solution
- Step 1: Write the proportion equation
14,658,214.42 : 20,228,359.26 = 8,131,843.81 : x - Step 2: Convert to fraction form
14,658,214.42/20,228,359.26 = 8,131,843.81/x - Step 3: Cross multiply
14,658,214.42x = 20,228,359.26 × 8,131,843.81 - Step 4: Simplify right side
14,658,214.42x = 164,493,858,034,887.19 - Step 5: Solve for x
x = 164,493,858,034,887.19/14,658,214.42 - Step 6: Final answer
x = 11,221,957.42
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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.