Finding the Fourth Proportional to 13,863,625.41, 20,770,775.93 and 11,821,148.18
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Solution
The fourth proportional to 13,863,625.41, 20,770,775.93 and 11,821,148.18 is: 17,710,693.47
Step by Step Solution
- Step 1: Write the proportion equation
13,863,625.41 : 20,770,775.93 = 11,821,148.18 : x - Step 2: Convert to fraction form
13,863,625.41/20,770,775.93 = 11,821,148.18/x - Step 3: Cross multiply
13,863,625.41x = 20,770,775.93 × 11,821,148.18 - Step 4: Simplify right side
13,863,625.41x = 245,534,420,082,107.31 - Step 5: Solve for x
x = 245,534,420,082,107.31/13,863,625.41 - Step 6: Final answer
x = 17,710,693.47
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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.