Finding the Fourth Proportional to 11,259,078.12, 15,538,966.80 and 6,297,795.18
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Solution
The fourth proportional to 11,259,078.12, 15,538,966.80 and 6,297,795.18 is: 8,691,762.25
Step by Step Solution
- Step 1: Write the proportion equation
11,259,078.12 : 15,538,966.80 = 6,297,795.18 : x - Step 2: Convert to fraction form
11,259,078.12/15,538,966.80 = 6,297,795.18/x - Step 3: Cross multiply
11,259,078.12x = 15,538,966.80 × 6,297,795.18 - Step 4: Simplify right side
11,259,078.12x = 97,861,230,215,220.03 - Step 5: Solve for x
x = 97,861,230,215,220.03/11,259,078.12 - Step 6: Final answer
x = 8,691,762.25
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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.