Finding the Fourth Proportional to 15,037,575.92, 20,751,875.68 and 8,162,059.44
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Solution
The fourth proportional to 15,037,575.92, 20,751,875.68 and 8,162,059.44 is: 11,263,653.38
Step by Step Solution
- Step 1: Write the proportion equation
15,037,575.92 : 20,751,875.68 = 8,162,059.44 : x - Step 2: Convert to fraction form
15,037,575.92/20,751,875.68 = 8,162,059.44/x - Step 3: Cross multiply
15,037,575.92x = 20,751,875.68 × 8,162,059.44 - Step 4: Simplify right side
15,037,575.92x = 169,378,042,791,650.44 - Step 5: Solve for x
x = 169,378,042,791,650.44/15,037,575.92 - Step 6: Final answer
x = 11,263,653.38
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1.5x scale
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.