Finding the Fourth Proportional to 12,232,461.10, 18,348,691.65 and 8,201,382.70
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Solution
The fourth proportional to 12,232,461.10, 18,348,691.65 and 8,201,382.70 is: 12,302,074.05
Step by Step Solution
- Step 1: Write the proportion equation
12,232,461.10 : 18,348,691.65 = 8,201,382.70 : x - Step 2: Convert to fraction form
12,232,461.10/18,348,691.65 = 8,201,382.70/x - Step 3: Cross multiply
12,232,461.10x = 18,348,691.65 × 8,201,382.70 - Step 4: Simplify right side
12,232,461.10x = 150,484,642,265,944.44 - Step 5: Solve for x
x = 150,484,642,265,944.44/12,232,461.10 - Step 6: Final answer
x = 12,302,074.05
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1.5x scale
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.