Finding the Fourth Proportional to 10,576,950.30, 15,866,837.96 and 4,185,709.02
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Solution
The fourth proportional to 10,576,950.30, 15,866,837.96 and 4,185,709.02 is: 6,279,122.51
Step by Step Solution
- Step 1: Write the proportion equation
10,576,950.30 : 15,866,837.96 = 4,185,709.02 : x - Step 2: Convert to fraction form
10,576,950.30/15,866,837.96 = 4,185,709.02/x - Step 3: Cross multiply
10,576,950.30x = 15,866,837.96 × 4,185,709.02 - Step 4: Simplify right side
10,576,950.30x = 66,413,966,747,121.85 - Step 5: Solve for x
x = 66,413,966,747,121.85/10,576,950.30 - Step 6: Final answer
x = 6,279,122.51
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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.