Finding the Fourth Proportional to 26,129,896.42, 39,192,311.97 and 7,934,251.54
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Solution
The fourth proportional to 26,129,896.42, 39,192,311.97 and 7,934,251.54 is: 11,900,608.27
Step by Step Solution
- Step 1: Write the proportion equation
26,129,896.42 : 39,192,311.97 = 7,934,251.54 : x - Step 2: Convert to fraction form
26,129,896.42/39,192,311.97 = 7,934,251.54/x - Step 3: Cross multiply
26,129,896.42x = 39,192,311.97 × 7,934,251.54 - Step 4: Simplify right side
26,129,896.42x = 310,961,661,447,543.25 - Step 5: Solve for x
x = 310,961,661,447,543.25/26,129,896.42 - Step 6: Final answer
x = 11,900,608.27
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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.