Finding the Fourth Proportional to 21,509,605.14, 32,241,433.26 and 12,267,679.98
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Solution
The fourth proportional to 21,509,605.14, 32,241,433.26 and 12,267,679.98 is: 18,388,416.84
Step by Step Solution
- Step 1: Write the proportion equation
21,509,605.14 : 32,241,433.26 = 12,267,679.98 : x - Step 2: Convert to fraction form
21,509,605.14/32,241,433.26 = 12,267,679.98/x - Step 3: Cross multiply
21,509,605.14x = 32,241,433.26 × 12,267,679.98 - Step 4: Simplify right side
21,509,605.14x = 395,527,585,330,208.19 - Step 5: Solve for x
x = 395,527,585,330,208.19/21,509,605.14 - Step 6: Final answer
x = 18,388,416.84
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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.