Finding the Fourth Proportional to 10,050,813.19, 15,081,201.69 and 3,985,414.93
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Solution
The fourth proportional to 10,050,813.19, 15,081,201.69 and 3,985,414.93 is: 5,980,097.85
Step by Step Solution
- Step 1: Write the proportion equation
10,050,813.19 : 15,081,201.69 = 3,985,414.93 : x - Step 2: Convert to fraction form
10,050,813.19/15,081,201.69 = 3,985,414.93/x - Step 3: Cross multiply
10,050,813.19x = 15,081,201.69 × 3,985,414.93 - Step 4: Simplify right side
10,050,813.19x = 60,104,846,377,667.23 - Step 5: Solve for x
x = 60,104,846,377,667.23/10,050,813.19 - Step 6: Final answer
x = 5,980,097.85
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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.