Finding the Fourth Proportional to 7,009,896.99, 10,518,550.09 and 4,973,716.68
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Solution
The fourth proportional to 7,009,896.99, 10,518,550.09 and 4,973,716.68 is: 7,463,203.54
Step by Step Solution
- Step 1: Write the proportion equation
7,009,896.99 : 10,518,550.09 = 4,973,716.68 : x - Step 2: Convert to fraction form
7,009,896.99/10,518,550.09 = 4,973,716.68/x - Step 3: Cross multiply
7,009,896.99x = 10,518,550.09 × 4,973,716.68 - Step 4: Simplify right side
7,009,896.99x = 52,316,288,005,752.12 - Step 5: Solve for x
x = 52,316,288,005,752.12/7,009,896.99 - Step 6: Final answer
x = 7,463,203.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.