Finding the Fourth Proportional to 11,324,950.58, 15,628,821.74 and 6,430,010.83
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Solution
The fourth proportional to 11,324,950.58, 15,628,821.74 and 6,430,010.83 is: 8,873,636.34
Step by Step Solution
- Step 1: Write the proportion equation
11,324,950.58 : 15,628,821.74 = 6,430,010.83 : x - Step 2: Convert to fraction form
11,324,950.58/15,628,821.74 = 6,430,010.83/x - Step 3: Cross multiply
11,324,950.58x = 15,628,821.74 × 6,430,010.83 - Step 4: Simplify right side
11,324,950.58x = 100,493,493,048,339.45 - Step 5: Solve for x
x = 100,493,493,048,339.45/11,324,950.58 - Step 6: Final answer
x = 8,873,636.34
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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.