Finding the Fourth Proportional to 11,125,792.56, 15,351,839.97 and 6,480,342.12
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Solution
The fourth proportional to 11,125,792.56, 15,351,839.97 and 6,480,342.12 is: 8,941,850.63
Step by Step Solution
- Step 1: Write the proportion equation
11,125,792.56 : 15,351,839.97 = 6,480,342.12 : x - Step 2: Convert to fraction form
11,125,792.56/15,351,839.97 = 6,480,342.12/x - Step 3: Cross multiply
11,125,792.56x = 15,351,839.97 × 6,480,342.12 - Step 4: Simplify right side
11,125,792.56x = 99,485,175,177,090.55 - Step 5: Solve for x
x = 99,485,175,177,090.55/11,125,792.56 - Step 6: Final answer
x = 8,941,850.63
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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.