Finding the Fourth Proportional to 18,255,847.53, 27,343,408.32 and 12,484,904.88
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Solution
The fourth proportional to 18,255,847.53, 27,343,408.32 and 12,484,904.88 is: 18,699,753.68
Step by Step Solution
- Step 1: Write the proportion equation
18,255,847.53 : 27,343,408.32 = 12,484,904.88 : x - Step 2: Convert to fraction form
18,255,847.53/27,343,408.32 = 12,484,904.88/x - Step 3: Cross multiply
18,255,847.53x = 27,343,408.32 × 12,484,904.88 - Step 4: Simplify right side
18,255,847.53x = 341,379,851,970,200.62 - Step 5: Solve for x
x = 341,379,851,970,200.62/18,255,847.53 - Step 6: Final answer
x = 18,699,753.68
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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.