Finding the Fourth Proportional to 7,909,622.84, 11,861,399.18 and 3,810,227.42
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Solution
The fourth proportional to 7,909,622.84, 11,861,399.18 and 3,810,227.42 is: 5,713,879.07
Step by Step Solution
- Step 1: Write the proportion equation
7,909,622.84 : 11,861,399.18 = 3,810,227.42 : x - Step 2: Convert to fraction form
7,909,622.84/11,861,399.18 = 3,810,227.42/x - Step 3: Cross multiply
7,909,622.84x = 11,861,399.18 × 3,810,227.42 - Step 4: Simplify right side
7,909,622.84x = 45,194,628,395,201.52 - Step 5: Solve for x
x = 45,194,628,395,201.52/7,909,622.84 - Step 6: Final answer
x = 5,713,879.07
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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.