Finding the Fourth Proportional to 14,953,732.80, 20,636,576.28 and 8,338,473.60
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Solution
The fourth proportional to 14,953,732.80, 20,636,576.28 and 8,338,473.60 is: 11,507,330.56
Step by Step Solution
- Step 1: Write the proportion equation
14,953,732.80 : 20,636,576.28 = 8,338,473.60 : x - Step 2: Convert to fraction form
14,953,732.80/20,636,576.28 = 8,338,473.60/x - Step 3: Cross multiply
14,953,732.80x = 20,636,576.28 × 8,338,473.60 - Step 4: Simplify right side
14,953,732.80x = 172,077,546,505,166.22 - Step 5: Solve for x
x = 172,077,546,505,166.22/14,953,732.80 - Step 6: Final answer
x = 11,507,330.56
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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.