Finding the Fourth Proportional to 11,302,872.48, 15,597,489.42 and 6,408,423.90
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Solution
The fourth proportional to 11,302,872.48, 15,597,489.42 and 6,408,423.90 is: 8,843,355.90
Step by Step Solution
- Step 1: Write the proportion equation
11,302,872.48 : 15,597,489.42 = 6,408,423.90 : x - Step 2: Convert to fraction form
11,302,872.48/15,597,489.42 = 6,408,423.90/x - Step 3: Cross multiply
11,302,872.48x = 15,597,489.42 × 6,408,423.90 - Step 4: Simplify right side
11,302,872.48x = 99,955,323,979,125.14 - Step 5: Solve for x
x = 99,955,323,979,125.14/11,302,872.48 - Step 6: Final answer
x = 8,843,355.90
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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.