Finding the Fourth Proportional to 18,255,850.56, 27,343,412.82 and 12,484,907.88
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Solution
The fourth proportional to 18,255,850.56, 27,343,412.82 and 12,484,907.88 is: 18,699,758.14
Step by Step Solution
- Step 1: Write the proportion equation
18,255,850.56 : 27,343,412.82 = 12,484,907.88 : x - Step 2: Convert to fraction form
18,255,850.56/27,343,412.82 = 12,484,907.88/x - Step 3: Cross multiply
18,255,850.56x = 27,343,412.82 × 12,484,907.88 - Step 4: Simplify right side
18,255,850.56x = 341,379,990,182,511.06 - Step 5: Solve for x
x = 341,379,990,182,511.06/18,255,850.56 - Step 6: Final answer
x = 18,699,758.14
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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.