Finding the Fourth Proportional to 7,350,835.56, 11,026,778.76 and 1,959,458.28
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Solution
The fourth proportional to 7,350,835.56, 11,026,778.76 and 1,959,458.28 is: 2,939,327.48
Step by Step Solution
- Step 1: Write the proportion equation
7,350,835.56 : 11,026,778.76 = 1,959,458.28 : x - Step 2: Convert to fraction form
7,350,835.56/11,026,778.76 = 1,959,458.28/x - Step 3: Cross multiply
7,350,835.56x = 11,026,778.76 × 1,959,458.28 - Step 4: Simplify right side
7,350,835.56x = 21,606,512,943,010.13 - Step 5: Solve for x
x = 21,606,512,943,010.13/7,350,835.56 - Step 6: Final answer
x = 2,939,327.48
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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.