Finding the Fourth Proportional to 16,135,539.91, 22,267,045.53 and 8,892,195.91
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Solution
The fourth proportional to 16,135,539.91, 22,267,045.53 and 8,892,195.91 is: 12,271,230.61
Step by Step Solution
- Step 1: Write the proportion equation
16,135,539.91 : 22,267,045.53 = 8,892,195.91 : x - Step 2: Convert to fraction form
16,135,539.91/22,267,045.53 = 8,892,195.91/x - Step 3: Cross multiply
16,135,539.91x = 22,267,045.53 × 8,892,195.91 - Step 4: Simplify right side
16,135,539.91x = 198,002,931,189,649.78 - Step 5: Solve for x
x = 198,002,931,189,649.78/16,135,539.91 - Step 6: Final answer
x = 12,271,230.61
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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.