Finding the Fourth Proportional to 8,497,338.09, 12,751,893.63 and 3,379,243.56
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Solution
The fourth proportional to 8,497,338.09, 12,751,893.63 and 3,379,243.56 is: 5,071,206.30
Step by Step Solution
- Step 1: Write the proportion equation
8,497,338.09 : 12,751,893.63 = 3,379,243.56 : x - Step 2: Convert to fraction form
8,497,338.09/12,751,893.63 = 3,379,243.56/x - Step 3: Cross multiply
8,497,338.09x = 12,751,893.63 × 3,379,243.56 - Step 4: Simplify right side
8,497,338.09x = 43,091,754,426,982.52 - Step 5: Solve for x
x = 43,091,754,426,982.52/8,497,338.09 - Step 6: Final answer
x = 5,071,206.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.