Finding the Fourth Proportional to 12,209,481.97, 18,316,880.17 and 4,122,114.53
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Solution
The fourth proportional to 12,209,481.97, 18,316,880.17 and 4,122,114.53 is: 6,184,068.91
Step by Step Solution
- Step 1: Write the proportion equation
12,209,481.97 : 18,316,880.17 = 4,122,114.53 : x - Step 2: Convert to fraction form
12,209,481.97/18,316,880.17 = 4,122,114.53/x - Step 3: Cross multiply
12,209,481.97x = 18,316,880.17 × 4,122,114.53 - Step 4: Simplify right side
12,209,481.97x = 75,504,277,791,136.19 - Step 5: Solve for x
x = 75,504,277,791,136.19/12,209,481.97 - Step 6: Final answer
x = 6,184,068.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.