Finding the Fourth Proportional to 12,343,226.29, 18,516,057.35 and 4,255,137.14
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Solution
The fourth proportional to 12,343,226.29, 18,516,057.35 and 4,255,137.14 is: 6,383,125.56
Step by Step Solution
- Step 1: Write the proportion equation
12,343,226.29 : 18,516,057.35 = 4,255,137.14 : x - Step 2: Convert to fraction form
12,343,226.29/18,516,057.35 = 4,255,137.14/x - Step 3: Cross multiply
12,343,226.29x = 18,516,057.35 × 4,255,137.14 - Step 4: Simplify right side
12,343,226.29x = 78,788,363,202,499 - Step 5: Solve for x
x = 78,788,363,202,499/12,343,226.29 - Step 6: Final answer
x = 6,383,125.56
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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.