Finding the Fourth Proportional to 7,380,673.08, 11,074,745.33 and 4,979,473.23
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Solution
The fourth proportional to 7,380,673.08, 11,074,745.33 and 4,979,473.23 is: 7,471,730.19
Step by Step Solution
- Step 1: Write the proportion equation
7,380,673.08 : 11,074,745.33 = 4,979,473.23 : x - Step 2: Convert to fraction form
7,380,673.08/11,074,745.33 = 4,979,473.23/x - Step 3: Cross multiply
7,380,673.08x = 11,074,745.33 × 4,979,473.23 - Step 4: Simplify right side
7,380,673.08x = 55,146,397,899,802.52 - Step 5: Solve for x
x = 55,146,397,899,802.52/7,380,673.08 - Step 6: Final answer
x = 7,471,730.19
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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.