Finding the Fourth Proportional to 7,102,620.24, 9,800,884.51 and 5,243,025.08
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Solution
The fourth proportional to 7,102,620.24, 9,800,884.51 and 5,243,025.08 is: 7,234,834.68
Step by Step Solution
- Step 1: Write the proportion equation
7,102,620.24 : 9,800,884.51 = 5,243,025.08 : x - Step 2: Convert to fraction form
7,102,620.24/9,800,884.51 = 5,243,025.08/x - Step 3: Cross multiply
7,102,620.24x = 9,800,884.51 × 5,243,025.08 - Step 4: Simplify right side
7,102,620.24x = 51,386,283,275,943.18 - Step 5: Solve for x
x = 51,386,283,275,943.18/7,102,620.24 - Step 6: Final answer
x = 7,234,834.68
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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.