Finding the Fourth Proportional to 8,640,902.93, 11,924,808.31 and 4,969,820.53
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Solution
The fourth proportional to 8,640,902.93, 11,924,808.31 and 4,969,820.53 is: 6,858,560.68
Step by Step Solution
- Step 1: Write the proportion equation
8,640,902.93 : 11,924,808.31 = 4,969,820.53 : x - Step 2: Convert to fraction form
8,640,902.93/11,924,808.31 = 4,969,820.53/x - Step 3: Cross multiply
8,640,902.93x = 11,924,808.31 × 4,969,820.53 - Step 4: Simplify right side
8,640,902.93x = 59,264,157,131,752.85 - Step 5: Solve for x
x = 59,264,157,131,752.85/8,640,902.93 - Step 6: Final answer
x = 6,858,560.68
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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.