Finding the Fourth Proportional to 18,750,861.12, 28,127,374.26 and 7,236,388.13
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Solution
The fourth proportional to 18,750,861.12, 28,127,374.26 and 7,236,388.13 is: 10,854,999.98
Step by Step Solution
- Step 1: Write the proportion equation
18,750,861.12 : 28,127,374.26 = 7,236,388.13 : x - Step 2: Convert to fraction form
18,750,861.12/28,127,374.26 = 7,236,388.13/x - Step 3: Cross multiply
18,750,861.12x = 28,127,374.26 × 7,236,388.13 - Step 4: Simplify right side
18,750,861.12x = 203,540,597,082,494.69 - Step 5: Solve for x
x = 203,540,597,082,494.69/18,750,861.12 - Step 6: Final answer
x = 10,854,999.98
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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.