Finding the Fourth Proportional to 7,642,629.28, 11,459,548.04 and 4,571,687.62
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Solution
The fourth proportional to 7,642,629.28, 11,459,548.04 and 4,571,687.62 is: 6,854,901.89
Step by Step Solution
- Step 1: Write the proportion equation
7,642,629.28 : 11,459,548.04 = 4,571,687.62 : x - Step 2: Convert to fraction form
7,642,629.28/11,459,548.04 = 4,571,687.62/x - Step 3: Cross multiply
7,642,629.28x = 11,459,548.04 × 4,571,687.62 - Step 4: Simplify right side
7,642,629.28x = 52,389,473,905,263.27 - Step 5: Solve for x
x = 52,389,473,905,263.27/7,642,629.28 - Step 6: Final answer
x = 6,854,901.89
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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.