Finding the Fourth Proportional to 11,686,868.24, 16,127,596.64 and 6,388,327.66
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Solution
The fourth proportional to 11,686,868.24, 16,127,596.64 and 6,388,327.66 is: 8,815,738.28
Step by Step Solution
- Step 1: Write the proportion equation
11,686,868.24 : 16,127,596.64 = 6,388,327.66 : x - Step 2: Convert to fraction form
11,686,868.24/16,127,596.64 = 6,388,327.66/x - Step 3: Cross multiply
11,686,868.24x = 16,127,596.64 × 6,388,327.66 - Step 4: Simplify right side
11,686,868.24x = 103,028,371,704,635.06 - Step 5: Solve for x
x = 103,028,371,704,635.06/11,686,868.24 - Step 6: Final answer
x = 8,815,738.28
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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.