Finding the Fourth Proportional to 9,996,775.68, 13,795,614.72 and 5,413,135.36
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Solution
The fourth proportional to 9,996,775.68, 13,795,614.72 and 5,413,135.36 is: 7,470,161.60
Step by Step Solution
- Step 1: Write the proportion equation
9,996,775.68 : 13,795,614.72 = 5,413,135.36 : x - Step 2: Convert to fraction form
9,996,775.68/13,795,614.72 = 5,413,135.36/x - Step 3: Cross multiply
9,996,775.68x = 13,795,614.72 × 5,413,135.36 - Step 4: Simplify right side
9,996,775.68x = 74,677,529,853,768.50 - Step 5: Solve for x
x = 74,677,529,853,768.50/9,996,775.68 - Step 6: Final answer
x = 7,470,161.60
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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.