Finding the Fourth Proportional to 20,751,076.08, 31,127,749.35 and 8,621,765.91
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Solution
The fourth proportional to 20,751,076.08, 31,127,749.35 and 8,621,765.91 is: 12,933,120.54
Step by Step Solution
- Step 1: Write the proportion equation
20,751,076.08 : 31,127,749.35 = 8,621,765.91 : x - Step 2: Convert to fraction form
20,751,076.08/31,127,749.35 = 8,621,765.91/x - Step 3: Cross multiply
20,751,076.08x = 31,127,749.35 × 8,621,765.91 - Step 4: Simplify right side
20,751,076.08x = 268,376,168,200,854.69 - Step 5: Solve for x
x = 268,376,168,200,854.69/20,751,076.08 - Step 6: Final answer
x = 12,933,120.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.