Finding the Fourth Proportional to 7,794,396.72, 11,609,405.36 and 7,444,679.10
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Solution
The fourth proportional to 7,794,396.72, 11,609,405.36 and 7,444,679.10 is: 11,088,516.60
Step by Step Solution
- Step 1: Write the proportion equation
7,794,396.72 : 11,609,405.36 = 7,444,679.10 : x - Step 2: Convert to fraction form
7,794,396.72/11,609,405.36 = 7,444,679.10/x - Step 3: Cross multiply
7,794,396.72x = 11,609,405.36 × 7,444,679.10 - Step 4: Simplify right side
7,794,396.72x = 86,428,297,409,796.58 - Step 5: Solve for x
x = 86,428,297,409,796.58/7,794,396.72 - Step 6: Final answer
x = 11,088,516.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.