Finding the Fourth Proportional to 8,619,195.99, 12,930,685.74 and 2,554,403.06
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Solution
The fourth proportional to 8,619,195.99, 12,930,685.74 and 2,554,403.06 is: 3,832,165.23
Step by Step Solution
- Step 1: Write the proportion equation
8,619,195.99 : 12,930,685.74 = 2,554,403.06 : x - Step 2: Convert to fraction form
8,619,195.99/12,930,685.74 = 2,554,403.06/x - Step 3: Cross multiply
8,619,195.99x = 12,930,685.74 × 2,554,403.06 - Step 4: Simplify right side
8,619,195.99x = 33,030,183,157,500.94 - Step 5: Solve for x
x = 33,030,183,157,500.94/8,619,195.99 - Step 6: Final answer
x = 3,832,165.23
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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.