Finding the Fourth Proportional to 7,419,748.96, 10,248,858.48 and 6,135,775.84
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Solution
The fourth proportional to 7,419,748.96, 10,248,858.48 and 6,135,775.84 is: 8,475,313.46
Step by Step Solution
- Step 1: Write the proportion equation
7,419,748.96 : 10,248,858.48 = 6,135,775.84 : x - Step 2: Convert to fraction form
7,419,748.96/10,248,858.48 = 6,135,775.84/x - Step 3: Cross multiply
7,419,748.96x = 10,248,858.48 × 6,135,775.84 - Step 4: Simplify right side
7,419,748.96x = 62,884,698,249,163.12 - Step 5: Solve for x
x = 62,884,698,249,163.12/7,419,748.96 - Step 6: Final answer
x = 8,475,313.46
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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.