Finding the Fourth Proportional to 13,463,207.70, 20,194,293.15 and 4,487,759.70
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Solution
The fourth proportional to 13,463,207.70, 20,194,293.15 and 4,487,759.70 is: 6,731,466.75
Step by Step Solution
- Step 1: Write the proportion equation
13,463,207.70 : 20,194,293.15 = 4,487,759.70 : x - Step 2: Convert to fraction form
13,463,207.70/20,194,293.15 = 4,487,759.70/x - Step 3: Cross multiply
13,463,207.70x = 20,194,293.15 × 4,487,759.70 - Step 4: Simplify right side
13,463,207.70x = 90,627,134,968,556.05 - Step 5: Solve for x
x = 90,627,134,968,556.05/13,463,207.70 - Step 6: Final answer
x = 6,731,466.75
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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.