Finding the Fourth Proportional to 18,802,622.99, 28,206,444.14 and 7,440,414.41
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Solution
The fourth proportional to 18,802,622.99, 28,206,444.14 and 7,440,414.41 is: 11,161,614.71
Step by Step Solution
- Step 1: Write the proportion equation
18,802,622.99 : 28,206,444.14 = 7,440,414.41 : x - Step 2: Convert to fraction form
18,802,622.99/28,206,444.14 = 7,440,414.41/x - Step 3: Cross multiply
18,802,622.99x = 28,206,444.14 × 7,440,414.41 - Step 4: Simplify right side
18,802,622.99x = 209,867,633,283,783.34 - Step 5: Solve for x
x = 209,867,633,283,783.34/18,802,622.99 - Step 6: Final answer
x = 11,161,614.71
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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.