Finding the Fourth Proportional to 18,851,229.73, 28,274,727.04 and 5,206,315.91
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Solution
The fourth proportional to 18,851,229.73, 28,274,727.04 and 5,206,315.91 is: 7,808,889.03
Step by Step Solution
- Step 1: Write the proportion equation
18,851,229.73 : 28,274,727.04 = 5,206,315.91 : x - Step 2: Convert to fraction form
18,851,229.73/28,274,727.04 = 5,206,315.91/x - Step 3: Cross multiply
18,851,229.73x = 28,274,727.04 × 5,206,315.91 - Step 4: Simplify right side
18,851,229.73x = 147,207,161,084,869.78 - Step 5: Solve for x
x = 147,207,161,084,869.78/18,851,229.73 - Step 6: Final answer
x = 7,808,889.03
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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.