Finding the Fourth Proportional to 29,317,988.40, 40,463,680.58 and 16,269,438.79
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Solution
The fourth proportional to 29,317,988.40, 40,463,680.58 and 16,269,438.79 is: 22,454,520.60
Step by Step Solution
- Step 1: Write the proportion equation
29,317,988.40 : 40,463,680.58 = 16,269,438.79 : x - Step 2: Convert to fraction form
29,317,988.40/40,463,680.58 = 16,269,438.79/x - Step 3: Cross multiply
29,317,988.40x = 40,463,680.58 × 16,269,438.79 - Step 4: Simplify right side
29,317,988.40x = 658,321,374,414,421.62 - Step 5: Solve for x
x = 658,321,374,414,421.62/29,317,988.40 - Step 6: Final answer
x = 22,454,520.60
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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.