Finding the Fourth Proportional to 12,068,410.74, 18,082,707.72 and 6,955,135.48
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Solution
The fourth proportional to 12,068,410.74, 18,082,707.72 and 6,955,135.48 is: 10,421,229.83
Step by Step Solution
- Step 1: Write the proportion equation
12,068,410.74 : 18,082,707.72 = 6,955,135.48 : x - Step 2: Convert to fraction form
12,068,410.74/18,082,707.72 = 6,955,135.48/x - Step 3: Cross multiply
12,068,410.74x = 18,082,707.72 × 6,955,135.48 - Step 4: Simplify right side
12,068,410.74x = 125,767,682,037,841.91 - Step 5: Solve for x
x = 125,767,682,037,841.91/12,068,410.74 - Step 6: Final answer
x = 10,421,229.83
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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.