Finding the Fourth Proportional to 7,826,058.99, 10,795,385.84 and 4,920,850.35
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Solution
The fourth proportional to 7,826,058.99, 10,795,385.84 and 4,920,850.35 is: 6,787,896.47
Step by Step Solution
- Step 1: Write the proportion equation
7,826,058.99 : 10,795,385.84 = 4,920,850.35 : x - Step 2: Convert to fraction form
7,826,058.99/10,795,385.84 = 4,920,850.35/x - Step 3: Cross multiply
7,826,058.99x = 10,795,385.84 × 4,920,850.35 - Step 4: Simplify right side
7,826,058.99x = 53,122,478,164,544.79 - Step 5: Solve for x
x = 53,122,478,164,544.79/7,826,058.99 - Step 6: Final answer
x = 6,787,896.47
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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.