Finding the Fourth Proportional to 7,577,954.70, 11,366,932.05 and 4,554,645.90
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Solution
The fourth proportional to 7,577,954.70, 11,366,932.05 and 4,554,645.90 is: 6,831,968.85
Step by Step Solution
- Step 1: Write the proportion equation
7,577,954.70 : 11,366,932.05 = 4,554,645.90 : x - Step 2: Convert to fraction form
7,577,954.70/11,366,932.05 = 4,554,645.90/x - Step 3: Cross multiply
7,577,954.70x = 11,366,932.05 × 4,554,645.90 - Step 4: Simplify right side
7,577,954.70x = 51,772,350,457,111.10 - Step 5: Solve for x
x = 51,772,350,457,111.10/7,577,954.70 - Step 6: Final answer
x = 6,831,968.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.