Finding the Fourth Proportional to 7,925,872.75, 10,937,705.98 and 4,828,395.94
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Solution
The fourth proportional to 7,925,872.75, 10,937,705.98 and 4,828,395.94 is: 6,663,187.36
Step by Step Solution
- Step 1: Write the proportion equation
7,925,872.75 : 10,937,705.98 = 4,828,395.94 : x - Step 2: Convert to fraction form
7,925,872.75/10,937,705.98 = 4,828,395.94/x - Step 3: Cross multiply
7,925,872.75x = 10,937,705.98 × 4,828,395.94 - Step 4: Simplify right side
7,925,872.75x = 52,811,575,146,745.73 - Step 5: Solve for x
x = 52,811,575,146,745.73/7,925,872.75 - Step 6: Final answer
x = 6,663,187.36
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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.