Finding the Fourth Proportional to 21,525,163.65, 32,287,866.00 and 5,351,114.33
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Solution
The fourth proportional to 21,525,163.65, 32,287,866.00 and 5,351,114.33 is: 8,026,701.45
Step by Step Solution
- Step 1: Write the proportion equation
21,525,163.65 : 32,287,866.00 = 5,351,114.33 : x - Step 2: Convert to fraction form
21,525,163.65/32,287,866.00 = 5,351,114.33/x - Step 3: Cross multiply
21,525,163.65x = 32,287,866.00 × 5,351,114.33 - Step 4: Simplify right side
21,525,163.65x = 172,776,062,377,293.28 - Step 5: Solve for x
x = 172,776,062,377,293.28/21,525,163.65 - Step 6: Final answer
x = 8,026,701.45
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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.