Finding the Fourth Proportional to 7,344,652.76, 11,016,102.72 and 1,953,697.76
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Solution
The fourth proportional to 7,344,652.76, 11,016,102.72 and 1,953,697.76 is: 2,930,313.51
Step by Step Solution
- Step 1: Write the proportion equation
7,344,652.76 : 11,016,102.72 = 1,953,697.76 : x - Step 2: Convert to fraction form
7,344,652.76/11,016,102.72 = 1,953,697.76/x - Step 3: Cross multiply
7,344,652.76x = 11,016,102.72 × 1,953,697.76 - Step 4: Simplify right side
7,344,652.76x = 21,522,135,207,993.91 - Step 5: Solve for x
x = 21,522,135,207,993.91/7,344,652.76 - Step 6: Final answer
x = 2,930,313.51
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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.