Finding the Fourth Proportional to 7,669,713.52, 10,589,555.54 and 4,770,407.62
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Solution
The fourth proportional to 7,669,713.52, 10,589,555.54 and 4,770,407.62 is: 6,586,490.65
Step by Step Solution
- Step 1: Write the proportion equation
7,669,713.52 : 10,589,555.54 = 4,770,407.62 : x - Step 2: Convert to fraction form
7,669,713.52/10,589,555.54 = 4,770,407.62/x - Step 3: Cross multiply
7,669,713.52x = 10,589,555.54 × 4,770,407.62 - Step 4: Simplify right side
7,669,713.52x = 50,516,496,363,629.40 - Step 5: Solve for x
x = 50,516,496,363,629.40/7,669,713.52 - Step 6: Final answer
x = 6,586,490.65
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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.