Finding the Fourth Proportional to 8,854,489.61, 12,212,691.34 and 5,868,793.26
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Solution
The fourth proportional to 8,854,489.61, 12,212,691.34 and 5,868,793.26 is: 8,094,623.61
Step by Step Solution
- Step 1: Write the proportion equation
8,854,489.61 : 12,212,691.34 = 5,868,793.26 : x - Step 2: Convert to fraction form
8,854,489.61/12,212,691.34 = 5,868,793.26/x - Step 3: Cross multiply
8,854,489.61x = 12,212,691.34 × 5,868,793.26 - Step 4: Simplify right side
8,854,489.61x = 71,673,760,669,835.61 - Step 5: Solve for x
x = 71,673,760,669,835.61/8,854,489.61 - Step 6: Final answer
x = 8,094,623.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.