Finding the Fourth Proportional to 12,493,987.66, 18,741,396.34 and 4,296,549.45
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Solution
The fourth proportional to 12,493,987.66, 18,741,396.34 and 4,296,549.45 is: 6,444,966.84
Step by Step Solution
- Step 1: Write the proportion equation
12,493,987.66 : 18,741,396.34 = 4,296,549.45 : x - Step 2: Convert to fraction form
12,493,987.66/18,741,396.34 = 4,296,549.45/x - Step 3: Cross multiply
12,493,987.66x = 18,741,396.34 × 4,296,549.45 - Step 4: Simplify right side
12,493,987.66x = 80,523,336,136,859.02 - Step 5: Solve for x
x = 80,523,336,136,859.02/12,493,987.66 - Step 6: Final answer
x = 6,444,966.84
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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.