Finding the Fourth Proportional to 16,622,397.34, 24,948,922.78 and 8,430,788.64
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Solution
The fourth proportional to 16,622,397.34, 24,948,922.78 and 8,430,788.64 is: 12,653,956.61
Step by Step Solution
- Step 1: Write the proportion equation
16,622,397.34 : 24,948,922.78 = 8,430,788.64 : x - Step 2: Convert to fraction form
16,622,397.34/24,948,922.78 = 8,430,788.64/x - Step 3: Cross multiply
16,622,397.34x = 24,948,922.78 × 8,430,788.64 - Step 4: Simplify right side
16,622,397.34x = 210,339,094,753,861.25 - Step 5: Solve for x
x = 210,339,094,753,861.25/16,622,397.34 - Step 6: Final answer
x = 12,653,956.61
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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.