Finding the Fourth Proportional to 12,471,489.02, 18,717,309.23 and 5,288,066.99
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Solution
The fourth proportional to 12,471,489.02, 18,717,309.23 and 5,288,066.99 is: 7,936,372.71
Step by Step Solution
- Step 1: Write the proportion equation
12,471,489.02 : 18,717,309.23 = 5,288,066.99 : x - Step 2: Convert to fraction form
12,471,489.02/18,717,309.23 = 5,288,066.99/x - Step 3: Cross multiply
12,471,489.02x = 18,717,309.23 × 5,288,066.99 - Step 4: Simplify right side
12,471,489.02x = 98,978,385,136,233.22 - Step 5: Solve for x
x = 98,978,385,136,233.22/12,471,489.02 - Step 6: Final answer
x = 7,936,372.71
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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.