Finding the Fourth Proportional to 20,159,367.95, 30,230,644.08 and 6,322,761.79
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Solution
The fourth proportional to 20,159,367.95, 30,230,644.08 and 6,322,761.79 is: 9,481,505.65
Step by Step Solution
- Step 1: Write the proportion equation
20,159,367.95 : 30,230,644.08 = 6,322,761.79 : x - Step 2: Convert to fraction form
20,159,367.95/30,230,644.08 = 6,322,761.79/x - Step 3: Cross multiply
20,159,367.95x = 30,230,644.08 × 6,322,761.79 - Step 4: Simplify right side
20,159,367.95x = 191,141,161,200,537.06 - Step 5: Solve for x
x = 191,141,161,200,537.06/20,159,367.95 - Step 6: Final answer
x = 9,481,505.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.