Finding the Fourth Proportional to 7,793,187.87, 10,754,614.85 and 4,355,428.80
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Solution
The fourth proportional to 7,793,187.87, 10,754,614.85 and 4,355,428.80 is: 6,010,500.45
Step by Step Solution
- Step 1: Write the proportion equation
7,793,187.87 : 10,754,614.85 = 4,355,428.80 : x - Step 2: Convert to fraction form
7,793,187.87/10,754,614.85 = 4,355,428.80/x - Step 3: Cross multiply
7,793,187.87x = 10,754,614.85 × 4,355,428.80 - Step 4: Simplify right side
7,793,187.87x = 46,840,959,228,820.54 - Step 5: Solve for x
x = 46,840,959,228,820.54/7,793,187.87 - Step 6: Final answer
x = 6,010,500.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.