Finding the Fourth Proportional to 13,842,034.42, 18,963,269.88 and 13,324,516.66
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Solution
The fourth proportional to 13,842,034.42, 18,963,269.88 and 13,324,516.66 is: 18,254,282.41
Step by Step Solution
- Step 1: Write the proportion equation
13,842,034.42 : 18,963,269.88 = 13,324,516.66 : x - Step 2: Convert to fraction form
13,842,034.42/18,963,269.88 = 13,324,516.66/x - Step 3: Cross multiply
13,842,034.42x = 18,963,269.88 × 13,324,516.66 - Step 4: Simplify right side
13,842,034.42x = 252,676,405,444,136.19 - Step 5: Solve for x
x = 252,676,405,444,136.19/13,842,034.42 - Step 6: Final answer
x = 18,254,282.41
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.