Finding the Fourth Proportional to 36,199,231.30, 54,298,846.95 and 19,193,119.30
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Solution
The fourth proportional to 36,199,231.30, 54,298,846.95 and 19,193,119.30 is: 28,789,678.95
Step by Step Solution
- Step 1: Write the proportion equation
36,199,231.30 : 54,298,846.95 = 19,193,119.30 : x - Step 2: Convert to fraction form
36,199,231.30/54,298,846.95 = 19,193,119.30/x - Step 3: Cross multiply
36,199,231.30x = 54,298,846.95 × 19,193,119.30 - Step 4: Simplify right side
36,199,231.30x = 1,042,164,247,363,791.25 - Step 5: Solve for x
x = 1,042,164,247,363,791.25/36,199,231.30 - Step 6: Final answer
x = 28,789,678.95
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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.