Finding the Fourth Proportional to 7,590,399.84, 10,481,134.32 and 5,421,595.68
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Solution
The fourth proportional to 7,590,399.84, 10,481,134.32 and 5,421,595.68 is: 7,486,360.90
Step by Step Solution
- Step 1: Write the proportion equation
7,590,399.84 : 10,481,134.32 = 5,421,595.68 : x - Step 2: Convert to fraction form
7,590,399.84/10,481,134.32 = 5,421,595.68/x - Step 3: Cross multiply
7,590,399.84x = 10,481,134.32 × 5,421,595.68 - Step 4: Simplify right side
7,590,399.84x = 56,824,472,550,811.73 - Step 5: Solve for x
x = 56,824,472,550,811.73/7,590,399.84 - Step 6: Final answer
x = 7,486,360.90
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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.