Finding the Fourth Proportional to 27,775,917.18, 41,663,756.78 and 7,026,551.70
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Solution
The fourth proportional to 27,775,917.18, 41,663,756.78 and 7,026,551.70 is: 10,539,797.45
Step by Step Solution
- Step 1: Write the proportion equation
27,775,917.18 : 41,663,756.78 = 7,026,551.70 : x - Step 2: Convert to fraction form
27,775,917.18/41,663,756.78 = 7,026,551.70/x - Step 3: Cross multiply
27,775,917.18x = 41,663,756.78 × 7,026,551.70 - Step 4: Simplify right side
27,775,917.18x = 292,752,540,995,762.75 - Step 5: Solve for x
x = 292,752,540,995,762.75/27,775,917.18 - Step 6: Final answer
x = 10,539,797.45
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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.