Finding the Fourth Proportional to 7,850,133.36, 11,775,190.56 and 2,459,203.68
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Solution
The fourth proportional to 7,850,133.36, 11,775,190.56 and 2,459,203.68 is: 3,688,802.55
Step by Step Solution
- Step 1: Write the proportion equation
7,850,133.36 : 11,775,190.56 = 2,459,203.68 : x - Step 2: Convert to fraction form
7,850,133.36/11,775,190.56 = 2,459,203.68/x - Step 3: Cross multiply
7,850,133.36x = 11,775,190.56 × 2,459,203.68 - Step 4: Simplify right side
7,850,133.36x = 28,957,591,957,853.27 - Step 5: Solve for x
x = 28,957,591,957,853.27/7,850,133.36 - Step 6: Final answer
x = 3,688,802.55
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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.