Finding the Fourth Proportional to 18,461,257.20, 27,691,885.80 and 17,398,375.20
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Solution
The fourth proportional to 18,461,257.20, 27,691,885.80 and 17,398,375.20 is: 26,097,562.80
Step by Step Solution
- Step 1: Write the proportion equation
18,461,257.20 : 27,691,885.80 = 17,398,375.20 : x - Step 2: Convert to fraction form
18,461,257.20/27,691,885.80 = 17,398,375.20/x - Step 3: Cross multiply
18,461,257.20x = 27,691,885.80 × 17,398,375.20 - Step 4: Simplify right side
18,461,257.20x = 481,793,819,143,952.12 - Step 5: Solve for x
x = 481,793,819,143,952.12/18,461,257.20 - Step 6: Final answer
x = 26,097,562.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.