Finding the Fourth Proportional to 7,508,833.02, 10,362,408.12 and 4,245,577.68
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Solution
The fourth proportional to 7,508,833.02, 10,362,408.12 and 4,245,577.68 is: 5,859,020.77
Step by Step Solution
- Step 1: Write the proportion equation
7,508,833.02 : 10,362,408.12 = 4,245,577.68 : x - Step 2: Convert to fraction form
7,508,833.02/10,362,408.12 = 4,245,577.68/x - Step 3: Cross multiply
7,508,833.02x = 10,362,408.12 × 4,245,577.68 - Step 4: Simplify right side
7,508,833.02x = 43,994,408,625,322.76 - Step 5: Solve for x
x = 43,994,408,625,322.76/7,508,833.02 - Step 6: Final answer
x = 5,859,020.77
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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.