Finding the Fourth Proportional to 7,409,777.18, 11,096,727.30 and 5,128,911.14
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Solution
The fourth proportional to 7,409,777.18, 11,096,727.30 and 5,128,911.14 is: 7,680,950.03
Step by Step Solution
- Step 1: Write the proportion equation
7,409,777.18 : 11,096,727.30 = 5,128,911.14 : x - Step 2: Convert to fraction form
7,409,777.18/11,096,727.30 = 5,128,911.14/x - Step 3: Cross multiply
7,409,777.18x = 11,096,727.30 × 5,128,911.14 - Step 4: Simplify right side
7,409,777.18x = 56,914,128,211,028.48 - Step 5: Solve for x
x = 56,914,128,211,028.48/7,409,777.18 - Step 6: Final answer
x = 7,680,950.03
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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.