Finding the Fourth Proportional to 7,138,891.97, 10,704,313.87 and 2,345,294.15
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Solution
The fourth proportional to 7,138,891.97, 10,704,313.87 and 2,345,294.15 is: 3,516,619.22
Step by Step Solution
- Step 1: Write the proportion equation
7,138,891.97 : 10,704,313.87 = 2,345,294.15 : x - Step 2: Convert to fraction form
7,138,891.97/10,704,313.87 = 2,345,294.15/x - Step 3: Cross multiply
7,138,891.97x = 10,704,313.87 × 2,345,294.15 - Step 4: Simplify right side
7,138,891.97x = 25,104,764,699,074.86 - Step 5: Solve for x
x = 25,104,764,699,074.86/7,138,891.97 - Step 6: Final answer
x = 3,516,619.22
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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.